19933990568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{6637}}^1\times {\mathrm{8731}}^1$

素因数の和:15417

約数の個数: 32

約数和(自身を含む): 38255590560

約数和(自身を除く): 18321599992

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 6637, 8731, 13274, 17462, 26548, 34924, 53096, 69848, 285391, 375433, 570782, 750866, 1141564, 1501732, 2283128, 3003464, 57947647, 115895294, 231790588, 463581176, 2491748821, 4983497642, 9966995284, 19933990568]

約数ペア:

[(1, 19933990568), (2, 9966995284), (4, 4983497642), (8, 2491748821), (43, 463581176), (86, 231790588), (172, 115895294), (344, 57947647), (6637, 3003464), (8731, 2283128), (13274, 1501732), (17462, 1141564), (26548, 750866), (34924, 570782), (53096, 375433), (69848, 285391)]