19726166

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2207}}^1$

素因数の和:2359

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 10876714

約数列:

[1, 2, 41, 82, 109, 218, 2207, 4414, 4469, 8938, 90487, 180974, 240563, 481126, 9863083, 19726166]

約数ペア:

[(1, 19726166), (2, 9863083), (41, 481126), (82, 240563), (109, 180974), (218, 90487), (2207, 8938), (4414, 4469)]