20188966478

素因数分解:

$2^1\times {\mathrm{491}}^1\times {\mathrm{2111}}^1\times {\mathrm{9739}}^1$

素因数の和:12343

約数の個数: 16

約数和(自身を含む): 30362618880

約数和(自身を除く): 10173652402

約数列:

[1, 2, 491, 982, 2111, 4222, 9739, 19478, 1036501, 2073002, 4781849, 9563698, 20559029, 41118058, 10094483239, 20188966478]

約数ペア:

[(1, 20188966478), (2, 10094483239), (491, 41118058), (982, 20559029), (2111, 9563698), (4222, 4781849), (9739, 2073002), (19478, 1036501)]