18887660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85853}}^1$

素因数の和:85873

約数の個数: 24

約数和(自身を含む): 43270416

約数和(自身を除く): 24382756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85853, 171706, 343412, 429265, 858530, 944383, 1717060, 1888766, 3777532, 4721915, 9443830, 18887660]

約数ペア:

[(1, 18887660), (2, 9443830), (4, 4721915), (5, 3777532), (10, 1888766), (11, 1717060), (20, 944383), (22, 858530), (44, 429265), (55, 343412), (110, 171706), (220, 85853)]