18982013

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 20966400

約数和(自身を除く): 1984387

約数列:

[1, 17, 31, 181, 199, 527, 3077, 3383, 5611, 6169, 36019, 95387, 104873, 612323, 1116589, 18982013]

約数ペア:

[(1, 18982013), (17, 1116589), (31, 612323), (181, 104873), (199, 95387), (527, 36019), (3077, 6169), (3383, 5611)]