18713787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12653}}^1$

素因数の和:12702

約数の個数: 16

約数和(自身を含む): 27332640

約数和(自身を除く): 8618853

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 12653, 37959, 215101, 366937, 645303, 1100811, 6237929, 18713787]

約数ペア:

[(1, 18713787), (3, 6237929), (17, 1100811), (29, 645303), (51, 366937), (87, 215101), (493, 37959), (1479, 12653)]