19940883

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 27396096

約数和(自身を除く): 7455213

約数列:

[1, 3, 41, 123, 223, 669, 727, 2181, 9143, 27429, 29807, 89421, 162121, 486363, 6646961, 19940883]

約数ペア:

[(1, 19940883), (3, 6646961), (41, 486363), (123, 162121), (223, 89421), (669, 29807), (727, 27429), (2181, 9143)]