19926039

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17903}}^1$

素因数の和:17966

約数の個数: 16

約数和(自身を含む): 30938112

約数和(自身を除く): 11012073

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17903, 53709, 125321, 375963, 948859, 2846577, 6642013, 19926039]

約数ペア:

[(1, 19926039), (3, 6642013), (7, 2846577), (21, 948859), (53, 375963), (159, 125321), (371, 53709), (1113, 17903)]