20181312

素因数分解:

$2^6\times 3^4\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 140

約数和(自身を含む): 63619380

約数和(自身を除く): 43438068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 192, 204, 216, 229, 272, 288, 306, 324, 408, 432, 458, 459, 544, 576, 612, 648, 687, 816, 864, 916, 918, 1088, 1224, 1296, 1374, 1377, 1632, 1728, 1832, 1836, 2061, 2448, 2592, 2748, 2754, 3264, 3664, 3672, 3893, 4122, 4896, 5184, 5496, 5508, 6183, 7328, 7344, 7786, 8244, 9792, 10992, 11016, 11679, 12366, 14656, 14688, 15572, 16488, 18549, 21984, 22032, 23358, 24732, 29376, 31144, 32976, 35037, 37098, 43968, 44064, 46716, 49464, 62288, 65952, 70074, 74196, 88128, 93432, 98928, 105111, 124576, 131904, 140148, 148392, 186864, 197856, 210222, 249152, 280296, 296784, 315333, 373728, 395712, 420444, 560592, 593568, 630666, 747456, 840888, 1121184, 1187136, 1261332, 1681776, 2242368, 2522664, 3363552, 5045328, 6727104, 10090656, 20181312]

約数ペア:

[(1, 20181312), (2, 10090656), (3, 6727104), (4, 5045328), (6, 3363552), (8, 2522664), (9, 2242368), (12, 1681776), (16, 1261332), (17, 1187136), (18, 1121184), (24, 840888), (27, 747456), (32, 630666), (34, 593568), (36, 560592), (48, 420444), (51, 395712), (54, 373728), (64, 315333), (68, 296784), (72, 280296), (81, 249152), (96, 210222), (102, 197856), (108, 186864), (136, 148392), (144, 140148), (153, 131904), (162, 124576), (192, 105111), (204, 98928), (216, 93432), (229, 88128), (272, 74196), (288, 70074), (306, 65952), (324, 62288), (408, 49464), (432, 46716), (458, 44064), (459, 43968), (544, 37098), (576, 35037), (612, 32976), (648, 31144), (687, 29376), (816, 24732), (864, 23358), (916, 22032), (918, 21984), (1088, 18549), (1224, 16488), (1296, 15572), (1374, 14688), (1377, 14656), (1632, 12366), (1728, 11679), (1832, 11016), (1836, 10992), (2061, 9792), (2448, 8244), (2592, 7786), (2748, 7344), (2754, 7328), (3264, 6183), (3664, 5508), (3672, 5496), (3893, 5184), (4122, 4896)]