18205291221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1685207}}^1$

素因数の和:1685500

約数の個数: 16

約数和(自身を含む): 26235318144

約数和(自身を除く): 8030026923

約数列:

[1, 3, 13, 39, 277, 831, 3601, 10803, 1685207, 5055621, 21907691, 65723073, 466802339, 1400407017, 6068430407, 18205291221]

約数ペア:

[(1, 18205291221), (3, 6068430407), (13, 1400407017), (39, 466802339), (277, 65723073), (831, 21907691), (3601, 5055621), (10803, 1685207)]