19689796

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4657}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 39648896

約数和(自身を除く): 19959100

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4657, 9314, 18628, 32599, 65198, 130396, 703207, 1406414, 2812828, 4922449, 9844898, 19689796]

約数ペア:

[(1, 19689796), (2, 9844898), (4, 4922449), (7, 2812828), (14, 1406414), (28, 703207), (151, 130396), (302, 65198), (604, 32599), (1057, 18628), (2114, 9314), (4228, 4657)]