18141640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41231}}^1$

素因数の和:41253

約数の個数: 32

約数和(自身を含む): 44530560

約数和(自身を除く): 26388920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41231, 82462, 164924, 206155, 329848, 412310, 453541, 824620, 907082, 1649240, 1814164, 2267705, 3628328, 4535410, 9070820, 18141640]

約数ペア:

[(1, 18141640), (2, 9070820), (4, 4535410), (5, 3628328), (8, 2267705), (10, 1814164), (11, 1649240), (20, 907082), (22, 824620), (40, 453541), (44, 412310), (55, 329848), (88, 206155), (110, 164924), (220, 82462), (440, 41231)]