19705838878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4948729}}^1$

素因数の和:4948923

約数の個数: 16

約数和(自身を含む): 32424078960

約数和(自身を除く): 12718240082

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4948729, 9897458, 54436019, 108872038, 895719949, 1791439898, 9852919439, 19705838878]

約数ペア:

[(1, 19705838878), (2, 9852919439), (11, 1791439898), (22, 895719949), (181, 108872038), (362, 54436019), (1991, 9897458), (3982, 4948729)]