20171901589

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{32779}}^1$

素因数の和:33473

約数の個数: 24

約数和(自身を含む): 24738410400

約数和(自身を除く): 4566508811

約数列:

[1, 7, 19, 49, 133, 661, 931, 4627, 12559, 32389, 32779, 87913, 229453, 615391, 622801, 1606171, 4359607, 21666919, 30517249, 151668433, 411671461, 1061679031, 2881700227, 20171901589]

約数ペア:

[(1, 20171901589), (7, 2881700227), (19, 1061679031), (49, 411671461), (133, 151668433), (661, 30517249), (931, 21666919), (4627, 4359607), (12559, 1606171), (32389, 622801), (32779, 615391), (87913, 229453)]