18667329

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 9671871

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 491, 551, 667, 1311, 1473, 1653, 2001, 9329, 11293, 12673, 14239, 27987, 33879, 38019, 42717, 214567, 270541, 327497, 643701, 811623, 982491, 6222443, 18667329]

約数ペア:

[(1, 18667329), (3, 6222443), (19, 982491), (23, 811623), (29, 643701), (57, 327497), (69, 270541), (87, 214567), (437, 42717), (491, 38019), (551, 33879), (667, 27987), (1311, 14239), (1473, 12673), (1653, 11293), (2001, 9329)]