19974003

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10687}}^1$

素因数の和:10786

約数の個数: 16

約数和(自身を含む): 30781440

約数和(自身を除く): 10807437

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10687, 32061, 74809, 224427, 951143, 2853429, 6658001, 19974003]

約数ペア:

[(1, 19974003), (3, 6658001), (7, 2853429), (21, 951143), (89, 224427), (267, 74809), (623, 32061), (1869, 10687)]