19911682

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9059}}^1$

素因数の和:9225

約数の個数: 16

約数和(自身を含む): 34355520

約数和(自身を除く): 14443838

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 9059, 18118, 63413, 126826, 1422263, 2844526, 9955841, 19911682]

約数ペア:

[(1, 19911682), (2, 9955841), (7, 2844526), (14, 1422263), (157, 126826), (314, 63413), (1099, 18118), (2198, 9059)]