18186680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1481}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 22894360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1481, 1535, 2456, 2962, 3070, 5924, 6140, 7405, 11848, 12280, 14810, 29620, 59240, 454667, 909334, 1818668, 2273335, 3637336, 4546670, 9093340, 18186680]

約数ペア:

[(1, 18186680), (2, 9093340), (4, 4546670), (5, 3637336), (8, 2273335), (10, 1818668), (20, 909334), (40, 454667), (307, 59240), (614, 29620), (1228, 14810), (1481, 12280), (1535, 11848), (2456, 7405), (2962, 6140), (3070, 5924)]