19398335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 26828496

約数和(自身を除く): 7430161

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 977, 1045, 1805, 3971, 4885, 10747, 18563, 19855, 53735, 92815, 204193, 352697, 1020965, 1763485, 3879667, 19398335]

約数ペア:

[(1, 19398335), (5, 3879667), (11, 1763485), (19, 1020965), (55, 352697), (95, 204193), (209, 92815), (361, 53735), (977, 19855), (1045, 18563), (1805, 10747), (3971, 4885)]