18830763

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{599}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 12369237

約数列:

[1, 3, 7, 9, 21, 63, 499, 599, 1497, 1797, 3493, 4193, 4491, 5391, 10479, 12579, 31437, 37737, 298901, 896703, 2092307, 2690109, 6276921, 18830763]

約数ペア:

[(1, 18830763), (3, 6276921), (7, 2690109), (9, 2092307), (21, 896703), (63, 298901), (499, 37737), (599, 31437), (1497, 12579), (1797, 10479), (3493, 5391), (4193, 4491)]