19973156637

素因数分解:

$3^1\times 7^1\times {\mathrm{1801}}^1\times {\mathrm{528097}}^1$

素因数の和:529908

約数の個数: 16

約数和(自身を含む): 30452243072

約数和(自身を除く): 10479086435

約数列:

[1, 3, 7, 21, 1801, 5403, 12607, 37821, 528097, 1584291, 3696679, 11090037, 951102697, 2853308091, 6657718879, 19973156637]

約数ペア:

[(1, 19973156637), (3, 6657718879), (7, 2853308091), (21, 951102697), (1801, 11090037), (5403, 3696679), (12607, 1584291), (37821, 528097)]