18515409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4283}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 8628015

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4283, 4323, 12849, 47113, 141339, 561073, 1683219, 6171803, 18515409]

約数ペア:

[(1, 18515409), (3, 6171803), (11, 1683219), (33, 561073), (131, 141339), (393, 47113), (1441, 12849), (4283, 4323)]