18843905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2671}}^1$

素因数の和:2776

約数の個数: 16

約数和(自身を含む): 24240384

約数和(自身を除く): 5396479

約数列:

[1, 5, 17, 83, 85, 415, 1411, 2671, 7055, 13355, 45407, 221693, 227035, 1108465, 3768781, 18843905]

約数ペア:

[(1, 18843905), (5, 3768781), (17, 1108465), (83, 227035), (85, 221693), (415, 45407), (1411, 13355), (2671, 7055)]