18731671

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 23392800

約数和(自身を除く): 4661129

約数列:

[1, 7, 17, 49, 113, 119, 199, 791, 833, 1393, 1921, 3383, 5537, 9751, 13447, 22487, 23681, 94129, 157409, 165767, 382279, 1101863, 2675953, 18731671]

約数ペア:

[(1, 18731671), (7, 2675953), (17, 1101863), (49, 382279), (113, 165767), (119, 157409), (199, 94129), (791, 23681), (833, 22487), (1393, 13447), (1921, 9751), (3383, 5537)]