19217878

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1071

約数の個数: 16

約数和(自身を含む): 29461680

約数和(自身を除く): 10243802

約数列:

[1, 2, 67, 134, 173, 346, 829, 1658, 11591, 23182, 55543, 111086, 143417, 286834, 9608939, 19217878]

約数ペア:

[(1, 19217878), (2, 9608939), (67, 286834), (134, 143417), (173, 111086), (346, 55543), (829, 23182), (1658, 11591)]