18340091

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 23493120

約数和(自身を除く): 5153029

約数列:

[1, 7, 11, 59, 77, 121, 367, 413, 649, 847, 2569, 4037, 4543, 7139, 21653, 28259, 44407, 49973, 151571, 238183, 310849, 1667281, 2620013, 18340091]

約数ペア:

[(1, 18340091), (7, 2620013), (11, 1667281), (59, 310849), (77, 238183), (121, 151571), (367, 49973), (413, 44407), (649, 28259), (847, 21653), (2569, 7139), (4037, 4543)]