19951797

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4327}}^1$

素因数の和:4412

約数の個数: 16

約数和(自身を含む): 28045440

約数和(自身を除く): 8093643

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4327, 4611, 12981, 125483, 229331, 376449, 687993, 6650599, 19951797]

約数ペア:

[(1, 19951797), (3, 6650599), (29, 687993), (53, 376449), (87, 229331), (159, 125483), (1537, 12981), (4327, 4611)]