19538491

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1453}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 23868864

約数和(自身を除く): 4330373

約数列:

[1, 7, 17, 113, 119, 791, 1453, 1921, 10171, 13447, 24701, 164189, 172907, 1149323, 2791213, 19538491]

約数ペア:

[(1, 19538491), (7, 2791213), (17, 1149323), (113, 172907), (119, 164189), (791, 24701), (1453, 13447), (1921, 10171)]