17984495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4066

約数の個数: 16

約数和(自身を含む): 23051520

約数和(自身を除く): 5067025

約数列:

[1, 5, 29, 31, 145, 155, 899, 4001, 4495, 20005, 116029, 124031, 580145, 620155, 3596899, 17984495]

約数ペア:

[(1, 17984495), (5, 3596899), (29, 620155), (31, 580145), (145, 124031), (155, 116029), (899, 20005), (4001, 4495)]