18638697

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80687}}^1$

素因数の和:80708

約数の個数: 16

約数和(自身を含む): 30984192

約数和(自身を除く): 12345495

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80687, 242061, 564809, 887557, 1694427, 2662671, 6212899, 18638697]

約数ペア:

[(1, 18638697), (3, 6212899), (7, 2662671), (11, 1694427), (21, 887557), (33, 564809), (77, 242061), (231, 80687)]