18279320

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3067}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 41418000

約数和(自身を除く): 23138680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 3067, 5960, 6134, 12268, 15335, 24536, 30670, 61340, 122680, 456983, 913966, 1827932, 2284915, 3655864, 4569830, 9139660, 18279320]

約数ペア:

[(1, 18279320), (2, 9139660), (4, 4569830), (5, 3655864), (8, 2284915), (10, 1827932), (20, 913966), (40, 456983), (149, 122680), (298, 61340), (596, 30670), (745, 24536), (1192, 15335), (1490, 12268), (2980, 6134), (3067, 5960)]