19931589

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1476

約数の個数: 28

約数和(自身を含む): 31478400

約数和(自身を除く): 11546811

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1439, 1539, 4317, 4617, 12951, 13851, 27341, 38853, 82023, 116559, 246069, 349677, 738207, 1049031, 2214621, 6643863, 19931589]

約数ペア:

[(1, 19931589), (3, 6643863), (9, 2214621), (19, 1049031), (27, 738207), (57, 349677), (81, 246069), (171, 116559), (243, 82023), (513, 38853), (729, 27341), (1439, 13851), (1539, 12951), (4317, 4617)]