18813182

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 28683600

約数和(自身を除く): 9870418

約数列:

[1, 2, 109, 211, 218, 409, 422, 818, 22999, 44581, 45998, 86299, 89162, 172598, 9406591, 18813182]

約数ペア:

[(1, 18813182), (2, 9406591), (109, 172598), (211, 89162), (218, 86299), (409, 45998), (422, 44581), (818, 22999)]