18668607981

素因数分解:

$3^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1\times {\mathrm{34421}}^1$

素因数の和:35292

約数の個数: 16

約数和(自身を含む): 25011851328

約数和(自身を除く): 6343243347

約数列:

[1, 3, 347, 521, 1041, 1563, 34421, 103263, 180787, 542361, 11944087, 17933341, 35832261, 53800023, 6222869327, 18668607981]

約数ペア:

[(1, 18668607981), (3, 6222869327), (347, 53800023), (521, 35832261), (1041, 17933341), (1563, 11944087), (34421, 542361), (103263, 180787)]