18201953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2437}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 22936704

約数和(自身を除く): 4734751

約数列:

[1, 7, 11, 77, 97, 679, 1067, 2437, 7469, 17059, 26807, 187649, 236389, 1654723, 2600279, 18201953]

約数ペア:

[(1, 18201953), (7, 2600279), (11, 1654723), (77, 236389), (97, 187649), (679, 26807), (1067, 17059), (2437, 7469)]