18648081

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 28154880

約数和(自身を除く): 9506799

約数列:

[1, 3, 9, 31, 89, 93, 267, 279, 751, 801, 2253, 2759, 6759, 8277, 23281, 24831, 66839, 69843, 200517, 209529, 601551, 2072009, 6216027, 18648081]

約数ペア:

[(1, 18648081), (3, 6216027), (9, 2072009), (31, 601551), (89, 209529), (93, 200517), (267, 69843), (279, 66839), (751, 24831), (801, 23281), (2253, 8277), (2759, 6759)]