19402745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{829}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 24222720

約数和(自身を除く): 4819975

約数列:

[1, 5, 31, 151, 155, 755, 829, 4145, 4681, 23405, 25699, 125179, 128495, 625895, 3880549, 19402745]

約数ペア:

[(1, 19402745), (5, 3880549), (31, 625895), (151, 128495), (155, 125179), (755, 25699), (829, 23405), (4145, 4681)]