18512390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142403}}^1$

素因数の和:142423

約数の個数: 16

約数和(自身を含む): 35885808

約数和(自身を除く): 17373418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 142403, 284806, 712015, 1424030, 1851239, 3702478, 9256195, 18512390]

約数ペア:

[(1, 18512390), (2, 9256195), (5, 3702478), (10, 1851239), (13, 1424030), (26, 712015), (65, 284806), (130, 142403)]