19995156

素因数分解:

$2^2\times 3^2\times {\mathrm{555421}}^1$

素因数の和:555431

約数の個数: 18

約数和(自身を含む): 50543402

約数和(自身を除く): 30548246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555421, 1110842, 1666263, 2221684, 3332526, 4998789, 6665052, 9997578, 19995156]

約数ペア:

[(1, 19995156), (2, 9997578), (3, 6665052), (4, 4998789), (6, 3332526), (9, 2221684), (12, 1666263), (18, 1110842), (36, 555421)]