18775510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144427}}^1$

素因数の和:144447

約数の個数: 16

約数和(自身を含む): 36395856

約数和(自身を除く): 17620346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 144427, 288854, 722135, 1444270, 1877551, 3755102, 9387755, 18775510]

約数ペア:

[(1, 18775510), (2, 9387755), (5, 3755102), (10, 1877551), (13, 1444270), (26, 722135), (65, 288854), (130, 144427)]