19722003

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{8311}}^1$

素因数の和:8434

約数の個数: 16

約数和(自身を含む): 30322176

約数和(自身を除く): 10600173

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 8311, 24933, 58177, 174531, 939143, 2817429, 6574001, 19722003]

約数ペア:

[(1, 19722003), (3, 6574001), (7, 2817429), (21, 939143), (113, 174531), (339, 58177), (791, 24933), (2373, 8311)]