19812637

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 23164064

約数和(自身を除く): 3351427

約数列:

[1, 13, 23, 43, 67, 299, 529, 559, 871, 989, 1541, 2881, 6877, 12857, 20033, 22747, 35443, 37453, 66263, 295711, 460759, 861419, 1524049, 19812637]

約数ペア:

[(1, 19812637), (13, 1524049), (23, 861419), (43, 460759), (67, 295711), (299, 66263), (529, 37453), (559, 35443), (871, 22747), (989, 20033), (1541, 12857), (2881, 6877)]