18783909

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 28454400

約数和(自身を除く): 9670491

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 911, 2291, 2733, 6873, 8199, 20619, 26419, 71969, 79257, 215907, 237771, 647721, 2087101, 6261303, 18783909]

約数ペア:

[(1, 18783909), (3, 6261303), (9, 2087101), (29, 647721), (79, 237771), (87, 215907), (237, 79257), (261, 71969), (711, 26419), (911, 20619), (2291, 8199), (2733, 6873)]