19250225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 25117440

約数和(自身を除く): 5867215

約数列:

[1, 5, 25, 31, 59, 155, 295, 421, 775, 1475, 1829, 2105, 9145, 10525, 13051, 24839, 45725, 65255, 124195, 326275, 620975, 770009, 3850045, 19250225]

約数ペア:

[(1, 19250225), (5, 3850045), (25, 770009), (31, 620975), (59, 326275), (155, 124195), (295, 65255), (421, 45725), (775, 24839), (1475, 13051), (1829, 10525), (2105, 9145)]