18693818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 33227712

約数和(自身を除く): 14533894

約数列:

[1, 2, 11, 13, 22, 26, 143, 163, 286, 326, 401, 802, 1793, 2119, 3586, 4238, 4411, 5213, 8822, 10426, 23309, 46618, 57343, 65363, 114686, 130726, 718993, 849719, 1437986, 1699438, 9346909, 18693818]

約数ペア:

[(1, 18693818), (2, 9346909), (11, 1699438), (13, 1437986), (22, 849719), (26, 718993), (143, 130726), (163, 114686), (286, 65363), (326, 57343), (401, 46618), (802, 23309), (1793, 10426), (2119, 8822), (3586, 5213), (4238, 4411)]