18782467

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 22867488

約数和(自身を除く): 4085021

約数列:

[1, 11, 17, 23, 121, 187, 253, 391, 397, 2057, 2783, 4301, 4367, 6749, 9131, 47311, 48037, 74239, 100441, 155227, 816629, 1104851, 1707497, 18782467]

約数ペア:

[(1, 18782467), (11, 1707497), (17, 1104851), (23, 816629), (121, 155227), (187, 100441), (253, 74239), (391, 48037), (397, 47311), (2057, 9131), (2783, 6749), (4301, 4367)]