19919817

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{32077}}^1$

素因数の和:32109

約数の個数: 16

約数和(自身を含む): 30794880

約数和(自身を除く): 10875063

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 32077, 96231, 288693, 737771, 866079, 2213313, 6639939, 19919817]

約数ペア:

[(1, 19919817), (3, 6639939), (9, 2213313), (23, 866079), (27, 737771), (69, 288693), (207, 96231), (621, 32077)]