18860855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3673}}^1$

素因数の和:3770

約数の個数: 16

約数和(自身を含む): 24689280

約数和(自身を除く): 5828425

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3673, 5135, 18365, 47749, 238745, 290167, 1450835, 3772171, 18860855]

約数ペア:

[(1, 18860855), (5, 3772171), (13, 1450835), (65, 290167), (79, 238745), (395, 47749), (1027, 18365), (3673, 5135)]