18629680

素因数分解:

$2^4\times 5^1\times {\mathrm{232871}}^1$

素因数の和:232884

約数の個数: 20

約数和(自身を含む): 43314192

約数和(自身を除く): 24684512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232871, 465742, 931484, 1164355, 1862968, 2328710, 3725936, 4657420, 9314840, 18629680]

約数ペア:

[(1, 18629680), (2, 9314840), (4, 4657420), (5, 3725936), (8, 2328710), (10, 1862968), (16, 1164355), (20, 931484), (40, 465742), (80, 232871)]