18792207

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{953}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 31153824

約数和(自身を除く): 12361617

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 953, 2191, 2817, 2859, 6573, 6671, 8577, 19719, 20013, 60039, 298289, 894867, 2088023, 2684601, 6264069, 18792207]

約数ペア:

[(1, 18792207), (3, 6264069), (7, 2684601), (9, 2088023), (21, 894867), (63, 298289), (313, 60039), (939, 20013), (953, 19719), (2191, 8577), (2817, 6671), (2859, 6573)]