18681723

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 27714960

約数和(自身を除く): 9033237

約数列:

[1, 3, 9, 83, 89, 249, 267, 281, 747, 801, 843, 2529, 7387, 22161, 23323, 25009, 66483, 69969, 75027, 209907, 225081, 2075747, 6227241, 18681723]

約数ペア:

[(1, 18681723), (3, 6227241), (9, 2075747), (83, 225081), (89, 209907), (249, 75027), (267, 69969), (281, 66483), (747, 25009), (801, 23323), (843, 22161), (2529, 7387)]