18850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:54

約数の個数: 24

約数和(自身を含む): 39060

約数和(自身を除く): 20210

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1450, 1885, 3770, 9425, 18850]

約数ペア:

[(1, 18850), (2, 9425), (5, 3770), (10, 1885), (13, 1450), (25, 754), (26, 725), (29, 650), (50, 377), (58, 325), (65, 290), (130, 145)]