18331874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{36229}}^1$

素因数の和:36265

約数の個数: 16

約数和(自身を含む): 31302720

約数和(自身を除く): 12970846

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 36229, 72458, 398519, 797038, 833267, 1666534, 9165937, 18331874]

約数ペア:

[(1, 18331874), (2, 9165937), (11, 1666534), (22, 833267), (23, 797038), (46, 398519), (253, 72458), (506, 36229)]