18594040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2687}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 23500040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2687, 3460, 5374, 6920, 10748, 13435, 21496, 26870, 53740, 107480, 464851, 929702, 1859404, 2324255, 3718808, 4648510, 9297020, 18594040]

約数ペア:

[(1, 18594040), (2, 9297020), (4, 4648510), (5, 3718808), (8, 2324255), (10, 1859404), (20, 929702), (40, 464851), (173, 107480), (346, 53740), (692, 26870), (865, 21496), (1384, 13435), (1730, 10748), (2687, 6920), (3460, 5374)]