2019979585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1635611}}^1$

素因数の和:1635648

約数の個数: 16

約数和(自身を含む): 2747828160

約数和(自身を除く): 727848575

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 1635611, 8178055, 21262943, 31076609, 106314715, 155383045, 403995917, 2019979585]

約数ペア:

[(1, 2019979585), (5, 403995917), (13, 155383045), (19, 106314715), (65, 31076609), (95, 21262943), (247, 8178055), (1235, 1635611)]