18981512

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19609}}^1$

素因数の和:19637

約数の個数: 24

約数和(自身を含む): 39121950

約数和(自身を除く): 20140438

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 19609, 39218, 78436, 156872, 215699, 431398, 862796, 1725592, 2372689, 4745378, 9490756, 18981512]

約数ペア:

[(1, 18981512), (2, 9490756), (4, 4745378), (8, 2372689), (11, 1725592), (22, 862796), (44, 431398), (88, 215699), (121, 156872), (242, 78436), (484, 39218), (968, 19609)]