18640165

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 22939200

約数和(自身を除く): 4299035

約数列:

[1, 5, 59, 179, 295, 353, 895, 1765, 10561, 20827, 52805, 63187, 104135, 315935, 3728033, 18640165]

約数ペア:

[(1, 18640165), (5, 3728033), (59, 315935), (179, 104135), (295, 63187), (353, 52805), (895, 20827), (1765, 10561)]