19156777391

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1\times {\mathrm{5119}}^1$

素因数の和:7190

約数の個数: 16

約数和(自身を含む): 20112998400

約数和(自身を除く): 956221009

約数列:

[1, 31, 61, 1891, 1979, 5119, 61349, 120719, 158689, 312259, 3742289, 9680029, 10130501, 314045531, 617960561, 19156777391]

約数ペア:

[(1, 19156777391), (31, 617960561), (61, 314045531), (1891, 10130501), (1979, 9680029), (5119, 3742289), (61349, 312259), (120719, 158689)]