18388630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3823}}^1$

素因数の和:3880

約数の個数: 32

約数和(自身を含む): 36618624

約数和(自身を除く): 18229994

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 3823, 4810, 7646, 19115, 38230, 49699, 99398, 141451, 248495, 282902, 496990, 707255, 1414510, 1838863, 3677726, 9194315, 18388630]

約数ペア:

[(1, 18388630), (2, 9194315), (5, 3677726), (10, 1838863), (13, 1414510), (26, 707255), (37, 496990), (65, 282902), (74, 248495), (130, 141451), (185, 99398), (370, 49699), (481, 38230), (962, 19115), (2405, 7646), (3823, 4810)]