18335691

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 29231280

約数和(自身を除く): 10895589

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2081, 2937, 6243, 8811, 18729, 22891, 68673, 185209, 206019, 555627, 1666881, 2037299, 6111897, 18335691]

約数ペア:

[(1, 18335691), (3, 6111897), (9, 2037299), (11, 1666881), (33, 555627), (89, 206019), (99, 185209), (267, 68673), (801, 22891), (979, 18729), (2081, 8811), (2937, 6243)]