19209916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1319}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 36812160

約数和(自身を除く): 17602244

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1319, 1324, 2638, 3641, 5276, 7282, 14509, 14564, 29018, 58036, 436589, 873178, 1746356, 4802479, 9604958, 19209916]

約数ペア:

[(1, 19209916), (2, 9604958), (4, 4802479), (11, 1746356), (22, 873178), (44, 436589), (331, 58036), (662, 29018), (1319, 14564), (1324, 14509), (2638, 7282), (3641, 5276)]