193665820

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{7879}}^1$

素因数の和:9117

約数の個数: 24

約数和(自身を含む): 407080800

約数和(自身を除く): 213414980

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 7879, 12290, 15758, 24580, 31516, 39395, 78790, 157580, 9683291, 19366582, 38733164, 48416455, 96832910, 193665820]

約数ペア:

[(1, 193665820), (2, 96832910), (4, 48416455), (5, 38733164), (10, 19366582), (20, 9683291), (1229, 157580), (2458, 78790), (4916, 39395), (6145, 31516), (7879, 24580), (12290, 15758)]