19777238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7109}}^1$

素因数の和:7231

約数の個数: 16

約数和(自身を含む): 32250960

約数和(自身を除く): 12473722

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7109, 14218, 92417, 184834, 760663, 1521326, 9888619, 19777238]

約数ペア:

[(1, 19777238), (2, 9888619), (13, 1521326), (26, 760663), (107, 184834), (214, 92417), (1391, 14218), (2782, 7109)]