18124280

素因数分解:

$2^3\times 5^1\times {\mathrm{453107}}^1$

素因数の和:453118

約数の個数: 16

約数和(自身を含む): 40779720

約数和(自身を除く): 22655440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453107, 906214, 1812428, 2265535, 3624856, 4531070, 9062140, 18124280]

約数ペア:

[(1, 18124280), (2, 9062140), (4, 4531070), (5, 3624856), (8, 2265535), (10, 1812428), (20, 906214), (40, 453107)]