18835292961

素因数分解:

$3^4\times {\mathrm{743}}^1\times {\mathrm{312967}}^1$

素因数の和:313722

約数の個数: 20

約数和(自身を含む): 28174631232

約数和(自身を除く): 9339338271

約数列:

[1, 3, 9, 27, 81, 743, 2229, 6687, 20061, 60183, 312967, 938901, 2816703, 8450109, 25350327, 232534481, 697603443, 2092810329, 6278430987, 18835292961]

約数ペア:

[(1, 18835292961), (3, 6278430987), (9, 2092810329), (27, 697603443), (81, 232534481), (743, 25350327), (2229, 8450109), (6687, 2816703), (20061, 938901), (60183, 312967)]