19643949

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 30707040

約数和(自身を除く): 11063091

約数列:

[1, 3, 9, 13, 39, 117, 379, 443, 1137, 1329, 3411, 3987, 4927, 5759, 14781, 17277, 44343, 51831, 167897, 503691, 1511073, 2182661, 6547983, 19643949]

約数ペア:

[(1, 19643949), (3, 6547983), (9, 2182661), (13, 1511073), (39, 503691), (117, 167897), (379, 51831), (443, 44343), (1137, 17277), (1329, 14781), (3411, 5759), (3987, 4927)]