19259661

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 26159744

約数和(自身を除く): 6900083

約数列:

[1, 3, 103, 157, 309, 397, 471, 1191, 16171, 40891, 48513, 62329, 122673, 186987, 6419887, 19259661]

約数ペア:

[(1, 19259661), (3, 6419887), (103, 186987), (157, 122673), (309, 62329), (397, 48513), (471, 40891), (1191, 16171)]