18115602580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7132127}}^1$

素因数の和:7132263

約数の個数: 24

約数和(自身を含む): 38342320128

約数和(自身を除く): 20226717548

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7132127, 14264254, 28528508, 35660635, 71321270, 142642540, 905780129, 1811560258, 3623120516, 4528900645, 9057801290, 18115602580]

約数ペア:

[(1, 18115602580), (2, 9057801290), (4, 4528900645), (5, 3623120516), (10, 1811560258), (20, 905780129), (127, 142642540), (254, 71321270), (508, 35660635), (635, 28528508), (1270, 14264254), (2540, 7132127)]