19440666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{154291}}^1$

素因数の和:154306

約数の個数: 24

約数和(自身を含む): 48139104

約数和(自身を除く): 28698438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 154291, 308582, 462873, 925746, 1080037, 1388619, 2160074, 2777238, 3240111, 6480222, 9720333, 19440666]

約数ペア:

[(1, 19440666), (2, 9720333), (3, 6480222), (6, 3240111), (7, 2777238), (9, 2160074), (14, 1388619), (18, 1080037), (21, 925746), (42, 462873), (63, 308582), (126, 154291)]