18677425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 25232760

約数和(自身を除く): 6555335

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 569, 1313, 2525, 2845, 6565, 7397, 14225, 32825, 36985, 57469, 184925, 287345, 747097, 1436725, 3735485, 18677425]

約数ペア:

[(1, 18677425), (5, 3735485), (13, 1436725), (25, 747097), (65, 287345), (101, 184925), (325, 57469), (505, 36985), (569, 32825), (1313, 14225), (2525, 7397), (2845, 6565)]