19664155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33049}}^1$

素因数の和:33078

約数の個数: 16

約数和(自身を含む): 28555200

約数和(自身を除く): 8891045

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33049, 165245, 231343, 561833, 1156715, 2809165, 3932831, 19664155]

約数ペア:

[(1, 19664155), (5, 3932831), (7, 2809165), (17, 1156715), (35, 561833), (85, 231343), (119, 165245), (595, 33049)]