18190991871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{251177}}^1$

素因数の和:251815

約数の個数: 24

約数和(自身を含む): 28342925520

約数和(自身を除く): 10151933649

約数列:

[1, 3, 9, 13, 39, 117, 619, 1857, 5571, 8047, 24141, 72423, 251177, 753531, 2260593, 3265301, 9795903, 29387709, 155478563, 466435689, 1399307067, 2021221319, 6063663957, 18190991871]

約数ペア:

[(1, 18190991871), (3, 6063663957), (9, 2021221319), (13, 1399307067), (39, 466435689), (117, 155478563), (619, 29387709), (1857, 9795903), (5571, 3265301), (8047, 2260593), (24141, 753531), (72423, 251177)]