18956343456

素因数分解:

$2^5\times 3^2\times {\mathrm{1223}}^1\times {\mathrm{53819}}^1$

素因数の和:55058

約数の個数: 72

約数和(自身を含む): 53952181920

約数和(自身を除く): 34995838464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1223, 2446, 3669, 4892, 7338, 9784, 11007, 14676, 19568, 22014, 29352, 39136, 44028, 53819, 58704, 88056, 107638, 117408, 161457, 176112, 215276, 322914, 352224, 430552, 484371, 645828, 861104, 968742, 1291656, 1722208, 1937484, 2583312, 3874968, 5166624, 7749936, 15499872, 65820637, 131641274, 197461911, 263282548, 394923822, 526565096, 592385733, 789847644, 1053130192, 1184771466, 1579695288, 2106260384, 2369542932, 3159390576, 4739085864, 6318781152, 9478171728, 18956343456]

約数ペア:

[(1, 18956343456), (2, 9478171728), (3, 6318781152), (4, 4739085864), (6, 3159390576), (8, 2369542932), (9, 2106260384), (12, 1579695288), (16, 1184771466), (18, 1053130192), (24, 789847644), (32, 592385733), (36, 526565096), (48, 394923822), (72, 263282548), (96, 197461911), (144, 131641274), (288, 65820637), (1223, 15499872), (2446, 7749936), (3669, 5166624), (4892, 3874968), (7338, 2583312), (9784, 1937484), (11007, 1722208), (14676, 1291656), (19568, 968742), (22014, 861104), (29352, 645828), (39136, 484371), (44028, 430552), (53819, 352224), (58704, 322914), (88056, 215276), (107638, 176112), (117408, 161457)]