18704151

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 28782000

約数和(自身を除く): 10077849

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1229, 1691, 3687, 5073, 11061, 15219, 23351, 70053, 109381, 210159, 328143, 984429, 2078239, 6234717, 18704151]

約数ペア:

[(1, 18704151), (3, 6234717), (9, 2078239), (19, 984429), (57, 328143), (89, 210159), (171, 109381), (267, 70053), (801, 23351), (1229, 15219), (1691, 11061), (3687, 5073)]