18639693

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{11701}}^1$

素因数の和:11769

約数の個数: 16

約数和(自身を含む): 28084800

約数和(自身を除く): 9445107

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 11701, 35103, 105309, 315927, 690359, 2071077, 6213231, 18639693]

約数ペア:

[(1, 18639693), (3, 6213231), (9, 2071077), (27, 690359), (59, 315927), (177, 105309), (531, 35103), (1593, 11701)]