18964265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 24863112

約数和(自身を除く): 5898847

約数列:

[1, 5, 17, 47, 85, 101, 235, 505, 799, 1717, 2209, 3995, 4747, 8585, 11045, 23735, 37553, 80699, 187765, 223109, 403495, 1115545, 3792853, 18964265]

約数ペア:

[(1, 18964265), (5, 3792853), (17, 1115545), (47, 403495), (85, 223109), (101, 187765), (235, 80699), (505, 37553), (799, 23735), (1717, 11045), (2209, 8585), (3995, 4747)]