18821270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144779}}^1$

素因数の和:144799

約数の個数: 16

約数和(自身を含む): 36484560

約数和(自身を除く): 17663290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 144779, 289558, 723895, 1447790, 1882127, 3764254, 9410635, 18821270]

約数ペア:

[(1, 18821270), (2, 9410635), (5, 3764254), (10, 1882127), (13, 1447790), (26, 723895), (65, 289558), (130, 144779)]