20131994519

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31604387}}^1$

素因数の和:31604414

約数の個数: 12

約数和(自身を含む): 25220301624

約数和(自身を除く): 5088307105

約数列:

[1, 7, 13, 49, 91, 637, 31604387, 221230709, 410857031, 1548614963, 2875999217, 20131994519]

約数ペア:

[(1, 20131994519), (7, 2875999217), (13, 1548614963), (49, 410857031), (91, 221230709), (637, 31604387)]