19864090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48449}}^1$

素因数の和:48497

約数の個数: 16

約数和(自身を含む): 36628200

約数和(自身を除く): 16764110

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48449, 96898, 242245, 484490, 1986409, 3972818, 9932045, 19864090]

約数ペア:

[(1, 19864090), (2, 9932045), (5, 3972818), (10, 1986409), (41, 484490), (82, 242245), (205, 96898), (410, 48449)]