18729189

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 28858752

約数和(自身を除く): 10129563

約数列:

[1, 3, 9, 17, 51, 153, 163, 489, 751, 1467, 2253, 2771, 6759, 8313, 12767, 24939, 38301, 114903, 122413, 367239, 1101717, 2081021, 6243063, 18729189]

約数ペア:

[(1, 18729189), (3, 6243063), (9, 2081021), (17, 1101717), (51, 367239), (153, 122413), (163, 114903), (489, 38301), (751, 24939), (1467, 12767), (2253, 8313), (2771, 6759)]