18704530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143881}}^1$

素因数の和:143901

約数の個数: 16

約数和(自身を含む): 36258264

約数和(自身を除く): 17553734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143881, 287762, 719405, 1438810, 1870453, 3740906, 9352265, 18704530]

約数ペア:

[(1, 18704530), (2, 9352265), (5, 3740906), (10, 1870453), (13, 1438810), (26, 719405), (65, 287762), (130, 143881)]