18777226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1801}}^1$

素因数の和:2217

約数の個数: 16

約数和(自身を含む): 30424968

約数和(自身を除く): 11647742

約数列:

[1, 2, 13, 26, 401, 802, 1801, 3602, 5213, 10426, 23413, 46826, 722201, 1444402, 9388613, 18777226]

約数ペア:

[(1, 18777226), (2, 9388613), (13, 1444402), (26, 722201), (401, 46826), (802, 23413), (1801, 10426), (3602, 5213)]