19704275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 26275104

約数和(自身を除く): 6570829

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 653, 1207, 1775, 3265, 6035, 11101, 16325, 30175, 46363, 55505, 231815, 277525, 788171, 1159075, 3940855, 19704275]

約数ペア:

[(1, 19704275), (5, 3940855), (17, 1159075), (25, 788171), (71, 277525), (85, 231815), (355, 55505), (425, 46363), (653, 30175), (1207, 16325), (1775, 11101), (3265, 6035)]