18428980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40063}}^1$

素因数の和:40095

約数の個数: 24

約数和(自身を含む): 40384512

約数和(自身を除く): 21955532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40063, 80126, 160252, 200315, 400630, 801260, 921449, 1842898, 3685796, 4607245, 9214490, 18428980]

約数ペア:

[(1, 18428980), (2, 9214490), (4, 4607245), (5, 3685796), (10, 1842898), (20, 921449), (23, 801260), (46, 400630), (92, 200315), (115, 160252), (230, 80126), (460, 40063)]