18102580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7127}}^1$

素因数の和:7263

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 20217548

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7127, 14254, 28508, 35635, 71270, 142540, 905129, 1810258, 3620516, 4525645, 9051290, 18102580]

約数ペア:

[(1, 18102580), (2, 9051290), (4, 4525645), (5, 3620516), (10, 1810258), (20, 905129), (127, 142540), (254, 71270), (508, 35635), (635, 28508), (1270, 14254), (2540, 7127)]