18407380

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7247}}^1$

素因数の和:7383

約数の個数: 24

約数和(自身を含む): 38965248

約数和(自身を除く): 20557868

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7247, 14494, 28988, 36235, 72470, 144940, 920369, 1840738, 3681476, 4601845, 9203690, 18407380]

約数ペア:

[(1, 18407380), (2, 9203690), (4, 4601845), (5, 3681476), (10, 1840738), (20, 920369), (127, 144940), (254, 72470), (508, 36235), (635, 28988), (1270, 14494), (2540, 7247)]