19867239

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13711}}^1$

素因数の和:13747

約数の個数: 24

約数和(自身を含む): 34225152

約数和(自身を除く): 14357913

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13711, 41133, 95977, 123399, 287931, 315353, 863793, 946059, 2207471, 2838177, 6622413, 19867239]

約数ペア:

[(1, 19867239), (3, 6622413), (7, 2838177), (9, 2207471), (21, 946059), (23, 863793), (63, 315353), (69, 287931), (161, 123399), (207, 95977), (483, 41133), (1449, 13711)]