19820015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 4795345

約数列:

[1, 5, 41, 109, 205, 545, 887, 4435, 4469, 22345, 36367, 96683, 181835, 483415, 3964003, 19820015]

約数ペア:

[(1, 19820015), (5, 3964003), (41, 483415), (109, 181835), (205, 96683), (545, 36367), (887, 22345), (4435, 4469)]