18660290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{169639}}^1$

素因数の和:169657

約数の個数: 16

約数和(自身を含む): 36642240

約数和(自身を除く): 17981950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 169639, 339278, 848195, 1696390, 1866029, 3732058, 9330145, 18660290]

約数ペア:

[(1, 18660290), (2, 9330145), (5, 3732058), (10, 1866029), (11, 1696390), (22, 848195), (55, 339278), (110, 169639)]