18659425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 24606560

約数和(自身を除く): 5947135

約数列:

[1, 5, 19, 25, 95, 163, 241, 475, 815, 1205, 3097, 4075, 4579, 6025, 15485, 22895, 39283, 77425, 114475, 196415, 746377, 982075, 3731885, 18659425]

約数ペア:

[(1, 18659425), (5, 3731885), (19, 982075), (25, 746377), (95, 196415), (163, 114475), (241, 77425), (475, 39283), (815, 22895), (1205, 15485), (3097, 6025), (4075, 4579)]