18790001728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{1627}}^1\times {\mathrm{5821}}^1$

素因数の和:7491

約数の個数: 56

約数和(自身を含む): 38519469824

約数和(自身を除く): 19729468096

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1627, 1984, 3254, 5821, 6508, 11642, 13016, 23284, 26032, 46568, 50437, 52064, 93136, 100874, 104128, 180451, 186272, 201748, 360902, 372544, 403496, 721804, 806992, 1443608, 1613984, 2887216, 3227968, 5774432, 9470767, 11548864, 18941534, 37883068, 75766136, 151532272, 293593777, 303064544, 587187554, 606129088, 1174375108, 2348750216, 4697500432, 9395000864, 18790001728]

約数ペア:

[(1, 18790001728), (2, 9395000864), (4, 4697500432), (8, 2348750216), (16, 1174375108), (31, 606129088), (32, 587187554), (62, 303064544), (64, 293593777), (124, 151532272), (248, 75766136), (496, 37883068), (992, 18941534), (1627, 11548864), (1984, 9470767), (3254, 5774432), (5821, 3227968), (6508, 2887216), (11642, 1613984), (13016, 1443608), (23284, 806992), (26032, 721804), (46568, 403496), (50437, 372544), (52064, 360902), (93136, 201748), (100874, 186272), (104128, 180451)]