19717492081

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{308081}}^1$

素因数の和:308352

約数の個数: 16

約数和(自身を含む): 23187483648

約数和(自身を除く): 3469991567

約数列:

[1, 7, 41, 223, 287, 1561, 9143, 64001, 308081, 2156567, 12631321, 68702063, 88419247, 480914441, 2816784583, 19717492081]

約数ペア:

[(1, 19717492081), (7, 2816784583), (41, 480914441), (223, 88419247), (287, 68702063), (1561, 12631321), (9143, 2156567), (64001, 308081)]