19844045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{769}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 25742640

約数和(自身を除く): 5898595

約数列:

[1, 5, 13, 65, 397, 769, 1985, 3845, 5161, 9997, 25805, 49985, 305293, 1526465, 3968809, 19844045]

約数ペア:

[(1, 19844045), (5, 3968809), (13, 1526465), (65, 305293), (397, 49985), (769, 25805), (1985, 9997), (3845, 5161)]