18880368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 53329920

約数和(自身を除く): 34449552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 79, 104, 156, 158, 208, 237, 312, 316, 383, 474, 624, 632, 766, 948, 1027, 1149, 1264, 1532, 1896, 2054, 2298, 3064, 3081, 3792, 4108, 4596, 4979, 6128, 6162, 8216, 9192, 9958, 12324, 14937, 16432, 18384, 19916, 24648, 29874, 30257, 39832, 49296, 59748, 60514, 79664, 90771, 119496, 121028, 181542, 238992, 242056, 363084, 393341, 484112, 726168, 786682, 1180023, 1452336, 1573364, 2360046, 3146728, 4720092, 6293456, 9440184, 18880368]

約数ペア:

[(1, 18880368), (2, 9440184), (3, 6293456), (4, 4720092), (6, 3146728), (8, 2360046), (12, 1573364), (13, 1452336), (16, 1180023), (24, 786682), (26, 726168), (39, 484112), (48, 393341), (52, 363084), (78, 242056), (79, 238992), (104, 181542), (156, 121028), (158, 119496), (208, 90771), (237, 79664), (312, 60514), (316, 59748), (383, 49296), (474, 39832), (624, 30257), (632, 29874), (766, 24648), (948, 19916), (1027, 18384), (1149, 16432), (1264, 14937), (1532, 12324), (1896, 9958), (2054, 9192), (2298, 8216), (3064, 6162), (3081, 6128), (3792, 4979), (4108, 4596)]