19879827

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1237}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 28998912

約数和(自身を除く): 9119085

約数列:

[1, 3, 11, 33, 487, 1237, 1461, 3711, 5357, 13607, 16071, 40821, 602419, 1807257, 6626609, 19879827]

約数ペア:

[(1, 19879827), (3, 6626609), (11, 1807257), (33, 602419), (487, 40821), (1237, 16071), (1461, 13607), (3711, 5357)]