18776421

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{22433}}^1$

素因数の和:22473

約数の個数: 16

約数和(自身を含む): 28715520

約数和(自身を除く): 9939099

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 22433, 67299, 201897, 605691, 695423, 2086269, 6258807, 18776421]

約数ペア:

[(1, 18776421), (3, 6258807), (9, 2086269), (27, 695423), (31, 605691), (93, 201897), (279, 67299), (837, 22433)]