18126513

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 27967680

約数和(自身を除く): 9841167

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 1493, 4047, 4479, 12141, 13437, 28367, 85101, 106003, 255303, 318009, 954027, 2014057, 6042171, 18126513]

約数ペア:

[(1, 18126513), (3, 6042171), (9, 2014057), (19, 954027), (57, 318009), (71, 255303), (171, 106003), (213, 85101), (639, 28367), (1349, 13437), (1493, 12141), (4047, 4479)]