18888939

素因数分解:

$3^2\times {\mathrm{419}}^1\times {\mathrm{5009}}^1$

素因数の和:5434

約数の個数: 12

約数和(自身を含む): 27354600

約数和(自身を除く): 8465661

約数列:

[1, 3, 9, 419, 1257, 3771, 5009, 15027, 45081, 2098771, 6296313, 18888939]

約数ペア:

[(1, 18888939), (3, 6296313), (9, 2098771), (419, 45081), (1257, 15027), (3771, 5009)]