19882197

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4533

約数の個数: 24

約数和(自身を含む): 31463640

約数和(自身を除く): 11581443

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4481, 13443, 40329, 76177, 129949, 228531, 389847, 685593, 1169541, 2209133, 6627399, 19882197]

約数ペア:

[(1, 19882197), (3, 6627399), (9, 2209133), (17, 1169541), (29, 685593), (51, 389847), (87, 228531), (153, 129949), (261, 76177), (493, 40329), (1479, 13443), (4437, 4481)]