18080231

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3557}}^1$

素因数の和:3610

約数の個数: 16

約数和(自身を含む): 21518784

約数和(自身を除く): 3438553

約数列:

[1, 13, 17, 23, 221, 299, 391, 3557, 5083, 46241, 60469, 81811, 786097, 1063543, 1390787, 18080231]

約数ペア:

[(1, 18080231), (13, 1390787), (17, 1063543), (23, 786097), (221, 81811), (299, 60469), (391, 46241), (3557, 5083)]