20181213648

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:842

約数の個数: 240

約数和(自身を含む): 59453087616

約数和(自身を除く): 39271873968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 61, 67, 72, 106, 122, 134, 144, 159, 183, 201, 212, 244, 268, 318, 366, 402, 424, 477, 488, 536, 549, 603, 636, 647, 732, 804, 848, 954, 976, 1072, 1098, 1206, 1272, 1294, 1464, 1608, 1908, 1941, 2196, 2412, 2544, 2588, 2928, 3216, 3233, 3551, 3816, 3882, 4087, 4392, 4824, 5176, 5823, 6466, 7102, 7632, 7764, 8174, 8784, 9648, 9699, 10352, 10653, 11646, 12261, 12932, 14204, 15528, 16348, 19398, 21306, 23292, 24522, 25864, 28408, 29097, 31056, 31959, 32696, 34291, 36783, 38796, 39467, 42612, 43349, 46584, 49044, 51728, 56816, 58194, 63918, 65392, 68582, 73566, 77592, 78934, 85224, 86698, 93168, 98088, 102873, 116388, 118401, 127836, 130047, 137164, 147132, 155184, 157868, 170448, 173396, 196176, 205746, 216611, 232776, 236802, 255672, 260094, 274328, 294264, 308619, 315736, 346792, 355203, 390141, 411492, 433222, 465552, 473604, 511344, 520188, 548656, 588528, 617238, 631472, 649833, 693584, 710406, 780282, 822984, 866444, 947208, 1040376, 1234476, 1299666, 1420812, 1560564, 1645968, 1732888, 1894416, 1949499, 2080752, 2091751, 2297497, 2468952, 2599332, 2644289, 2841624, 3121128, 3465776, 3898998, 4183502, 4594994, 4937904, 5198664, 5288578, 5683248, 6242256, 6275253, 6892491, 7797996, 7932867, 8367004, 9189988, 10397328, 10577156, 12550506, 13784982, 15595992, 15865734, 16734008, 18379976, 18825759, 20677473, 21154312, 23798601, 25101012, 27569964, 31191984, 31731468, 33468016, 36759952, 37651518, 41354946, 42308624, 47597202, 50202024, 55139928, 63462936, 75303036, 82709892, 95194404, 100404048, 110279856, 126925872, 140147317, 150606072, 165419784, 190388808, 280294634, 301212144, 330839568, 380777616, 420441951, 560589268, 840883902, 1121178536, 1261325853, 1681767804, 2242357072, 2522651706, 3363535608, 5045303412, 6727071216, 10090606824, 20181213648]

約数ペア:

[(1, 20181213648), (2, 10090606824), (3, 6727071216), (4, 5045303412), (6, 3363535608), (8, 2522651706), (9, 2242357072), (12, 1681767804), (16, 1261325853), (18, 1121178536), (24, 840883902), (36, 560589268), (48, 420441951), (53, 380777616), (61, 330839568), (67, 301212144), (72, 280294634), (106, 190388808), (122, 165419784), (134, 150606072), (144, 140147317), (159, 126925872), (183, 110279856), (201, 100404048), (212, 95194404), (244, 82709892), (268, 75303036), (318, 63462936), (366, 55139928), (402, 50202024), (424, 47597202), (477, 42308624), (488, 41354946), (536, 37651518), (549, 36759952), (603, 33468016), (636, 31731468), (647, 31191984), (732, 27569964), (804, 25101012), (848, 23798601), (954, 21154312), (976, 20677473), (1072, 18825759), (1098, 18379976), (1206, 16734008), (1272, 15865734), (1294, 15595992), (1464, 13784982), (1608, 12550506), (1908, 10577156), (1941, 10397328), (2196, 9189988), (2412, 8367004), (2544, 7932867), (2588, 7797996), (2928, 6892491), (3216, 6275253), (3233, 6242256), (3551, 5683248), (3816, 5288578), (3882, 5198664), (4087, 4937904), (4392, 4594994), (4824, 4183502), (5176, 3898998), (5823, 3465776), (6466, 3121128), (7102, 2841624), (7632, 2644289), (7764, 2599332), (8174, 2468952), (8784, 2297497), (9648, 2091751), (9699, 2080752), (10352, 1949499), (10653, 1894416), (11646, 1732888), (12261, 1645968), (12932, 1560564), (14204, 1420812), (15528, 1299666), (16348, 1234476), (19398, 1040376), (21306, 947208), (23292, 866444), (24522, 822984), (25864, 780282), (28408, 710406), (29097, 693584), (31056, 649833), (31959, 631472), (32696, 617238), (34291, 588528), (36783, 548656), (38796, 520188), (39467, 511344), (42612, 473604), (43349, 465552), (46584, 433222), (49044, 411492), (51728, 390141), (56816, 355203), (58194, 346792), (63918, 315736), (65392, 308619), (68582, 294264), (73566, 274328), (77592, 260094), (78934, 255672), (85224, 236802), (86698, 232776), (93168, 216611), (98088, 205746), (102873, 196176), (116388, 173396), (118401, 170448), (127836, 157868), (130047, 155184), (137164, 147132)]