19827531

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10343}}^1$

素因数の和:10423

約数の個数: 16

約数和(自身を含む): 29790720

約数和(自身を除く): 9963189

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10343, 31029, 93087, 279261, 734353, 2203059, 6609177, 19827531]

約数ペア:

[(1, 19827531), (3, 6609177), (9, 2203059), (27, 734353), (71, 279261), (213, 93087), (639, 31029), (1917, 10343)]