18112778878

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 29312409600

約数和(自身を除く): 11199630722

約数列:

[1, 2, 29, 47, 58, 79, 94, 151, 158, 302, 557, 1114, 1363, 2291, 2726, 3713, 4379, 4582, 7097, 7426, 8758, 11929, 14194, 16153, 23858, 26179, 32306, 44003, 52358, 84107, 88006, 107677, 168214, 205813, 215354, 345941, 411626, 560663, 691882, 759191, 1121326, 1276087, 1518382, 2068141, 2439103, 2552174, 3953029, 4136282, 4878206, 6644453, 7906058, 13288906, 16259227, 32518454, 59976089, 114637841, 119952178, 192689137, 229275682, 312289291, 385378274, 624578582, 9056389439, 18112778878]

約数ペア:

[(1, 18112778878), (2, 9056389439), (29, 624578582), (47, 385378274), (58, 312289291), (79, 229275682), (94, 192689137), (151, 119952178), (158, 114637841), (302, 59976089), (557, 32518454), (1114, 16259227), (1363, 13288906), (2291, 7906058), (2726, 6644453), (3713, 4878206), (4379, 4136282), (4582, 3953029), (7097, 2552174), (7426, 2439103), (8758, 2068141), (11929, 1518382), (14194, 1276087), (16153, 1121326), (23858, 759191), (26179, 691882), (32306, 560663), (44003, 411626), (52358, 345941), (84107, 215354), (88006, 205813), (107677, 168214)]