19682397

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2069}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 32722560

約数和(自身を除く): 13040163

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 2069, 3171, 6207, 9513, 14483, 18621, 43449, 130347, 312419, 937257, 2186933, 2811771, 6560799, 19682397]

約数ペア:

[(1, 19682397), (3, 6560799), (7, 2811771), (9, 2186933), (21, 937257), (63, 312419), (151, 130347), (453, 43449), (1057, 18621), (1359, 14483), (2069, 9513), (3171, 6207)]