18996243

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22063}}^1$

素因数の和:22114

約数の個数: 16

約数和(自身を含む): 29654016

約数和(自身を除く): 10657773

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 22063, 66189, 154441, 463323, 904583, 2713749, 6332081, 18996243]

約数ペア:

[(1, 18996243), (3, 6332081), (7, 2713749), (21, 904583), (41, 463323), (123, 154441), (287, 66189), (861, 22063)]