19725264

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 61136712

約数和(自身を除く): 41411448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 41, 48, 52, 72, 78, 82, 104, 117, 123, 144, 156, 164, 208, 234, 246, 257, 312, 328, 369, 468, 492, 514, 533, 624, 656, 738, 771, 936, 984, 1028, 1066, 1476, 1542, 1599, 1872, 1968, 2056, 2132, 2313, 2952, 3084, 3198, 3341, 4112, 4264, 4626, 4797, 5904, 6168, 6396, 6682, 8528, 9252, 9594, 10023, 10537, 12336, 12792, 13364, 18504, 19188, 20046, 21074, 25584, 26728, 30069, 31611, 37008, 38376, 40092, 42148, 53456, 60138, 63222, 76752, 80184, 84296, 94833, 120276, 126444, 136981, 160368, 168592, 189666, 240552, 252888, 273962, 379332, 410943, 481104, 505776, 547924, 758664, 821886, 1095848, 1232829, 1517328, 1643772, 2191696, 2465658, 3287544, 4931316, 6575088, 9862632, 19725264]

約数ペア:

[(1, 19725264), (2, 9862632), (3, 6575088), (4, 4931316), (6, 3287544), (8, 2465658), (9, 2191696), (12, 1643772), (13, 1517328), (16, 1232829), (18, 1095848), (24, 821886), (26, 758664), (36, 547924), (39, 505776), (41, 481104), (48, 410943), (52, 379332), (72, 273962), (78, 252888), (82, 240552), (104, 189666), (117, 168592), (123, 160368), (144, 136981), (156, 126444), (164, 120276), (208, 94833), (234, 84296), (246, 80184), (257, 76752), (312, 63222), (328, 60138), (369, 53456), (468, 42148), (492, 40092), (514, 38376), (533, 37008), (624, 31611), (656, 30069), (738, 26728), (771, 25584), (936, 21074), (984, 20046), (1028, 19188), (1066, 18504), (1476, 13364), (1542, 12792), (1599, 12336), (1872, 10537), (1968, 10023), (2056, 9594), (2132, 9252), (2313, 8528), (2952, 6682), (3084, 6396), (3198, 6168), (3341, 5904), (4112, 4797), (4264, 4626)]