18159674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 30898560

約数和(自身を除く): 12738886

約数列:

[1, 2, 13, 26, 37, 43, 74, 86, 439, 481, 559, 878, 962, 1118, 1591, 3182, 5707, 11414, 16243, 18877, 20683, 32486, 37754, 41366, 211159, 245401, 422318, 490802, 698449, 1396898, 9079837, 18159674]

約数ペア:

[(1, 18159674), (2, 9079837), (13, 1396898), (26, 698449), (37, 490802), (43, 422318), (74, 245401), (86, 211159), (439, 41366), (481, 37754), (559, 32486), (878, 20683), (962, 18877), (1118, 16243), (1591, 11414), (3182, 5707)]