18837213

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 25561536

約数和(自身を除く): 6724323

約数列:

[1, 3, 113, 181, 307, 339, 543, 921, 20453, 34691, 55567, 61359, 104073, 166701, 6279071, 18837213]

約数ペア:

[(1, 18837213), (3, 6279071), (113, 166701), (181, 104073), (307, 61359), (339, 55567), (543, 34691), (921, 20453)]