19862660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9833}}^1$

素因数の和:9943

約数の個数: 24

約数和(自身を含む): 42128856

約数和(自身を除く): 22266196

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9833, 19666, 39332, 49165, 98330, 196660, 993133, 1986266, 3972532, 4965665, 9931330, 19862660]

約数ペア:

[(1, 19862660), (2, 9931330), (4, 4965665), (5, 3972532), (10, 1986266), (20, 993133), (101, 196660), (202, 98330), (404, 49165), (505, 39332), (1010, 19666), (2020, 9833)]