18936332961

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69363857}}^1$

素因数の和:69363880

約数の個数: 16

約数和(自身を含む): 31075008384

約数和(自身を除く): 12138675423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69363857, 208091571, 485546999, 901730141, 1456640997, 2705190423, 6312110987, 18936332961]

約数ペア:

[(1, 18936332961), (3, 6312110987), (7, 2705190423), (13, 1456640997), (21, 901730141), (39, 485546999), (91, 208091571), (273, 69363857)]