19689229

素因数分解:

$7^3\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 3494771

約数列:

[1, 7, 49, 137, 343, 419, 959, 2933, 6713, 20531, 46991, 57403, 143717, 401821, 2812747, 19689229]

約数ペア:

[(1, 19689229), (7, 2812747), (49, 401821), (137, 143717), (343, 57403), (419, 46991), (959, 20531), (2933, 6713)]