15871460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3836

約数の個数: 48

約数和(自身を含む): 38283840

約数和(自身を除く): 22412380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3797, 4180, 7594, 15188, 18985, 37970, 41767, 72143, 75940, 83534, 144286, 167068, 208835, 288572, 360715, 417670, 721430, 793573, 835340, 1442860, 1587146, 3174292, 3967865, 7935730, 15871460]

約数ペア:

[(1, 15871460), (2, 7935730), (4, 3967865), (5, 3174292), (10, 1587146), (11, 1442860), (19, 835340), (20, 793573), (22, 721430), (38, 417670), (44, 360715), (55, 288572), (76, 208835), (95, 167068), (110, 144286), (190, 83534), (209, 75940), (220, 72143), (380, 41767), (418, 37970), (836, 18985), (1045, 15188), (2090, 7594), (3797, 4180)]