19828218

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6343}}^1$

素因数の和:6869

約数の個数: 16

約数和(自身を含む): 39738816

約数和(自身を除く): 19910598

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6343, 12686, 19029, 38058, 3304703, 6609406, 9914109, 19828218]

約数ペア:

[(1, 19828218), (2, 9914109), (3, 6609406), (6, 3304703), (521, 38058), (1042, 19029), (1563, 12686), (3126, 6343)]