19288959697

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{128327}}^1$

素因数の和:128640

約数の個数: 16

約数和(自身を含む): 22359870720

約数和(自身を除く): 3070911023

約数列:

[1, 7, 109, 197, 763, 1379, 21473, 128327, 150311, 898289, 13987643, 25280419, 97913501, 176962933, 2755565671, 19288959697]

約数ペア:

[(1, 19288959697), (7, 2755565671), (109, 176962933), (197, 97913501), (763, 25280419), (1379, 13987643), (21473, 898289), (128327, 150311)]