15039856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{72307}}^1$

素因数の和:72328

約数の個数: 20

約数和(自身を含む): 31381672

約数和(自身を除く): 16341816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 72307, 144614, 289228, 578456, 939991, 1156912, 1879982, 3759964, 7519928, 15039856]

約数ペア:

[(1, 15039856), (2, 7519928), (4, 3759964), (8, 1879982), (13, 1156912), (16, 939991), (26, 578456), (52, 289228), (104, 144614), (208, 72307)]