18530590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142543}}^1$

素因数の和:142563

約数の個数: 16

約数和(自身を含む): 35921088

約数和(自身を除く): 17390498

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 142543, 285086, 712715, 1425430, 1853059, 3706118, 9265295, 18530590]

約数ペア:

[(1, 18530590), (2, 9265295), (5, 3706118), (10, 1853059), (13, 1425430), (26, 712715), (65, 285086), (130, 142543)]