18212778

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{14251}}^1$

素因数の和:14330

約数の個数: 24

約数和(自身を含む): 40019616

約数和(自身を除く): 21806838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 14251, 28502, 42753, 85506, 128259, 256518, 1011821, 2023642, 3035463, 6070926, 9106389, 18212778]

約数ペア:

[(1, 18212778), (2, 9106389), (3, 6070926), (6, 3035463), (9, 2023642), (18, 1011821), (71, 256518), (142, 128259), (213, 85506), (426, 42753), (639, 28502), (1278, 14251)]