18805228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{859}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 35566160

約数和(自身を除く): 16760932

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 859, 1684, 1718, 3436, 5473, 10946, 11167, 21892, 22334, 44668, 361639, 723278, 1446556, 4701307, 9402614, 18805228]

約数ペア:

[(1, 18805228), (2, 9402614), (4, 4701307), (13, 1446556), (26, 723278), (52, 361639), (421, 44668), (842, 22334), (859, 21892), (1684, 11167), (1718, 10946), (3436, 5473)]