11988718620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199811977}}^1$

素因数の和:199811989

約数の個数: 24

約数和(自身を含む): 33568412304

約数和(自身を除く): 21579693684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199811977, 399623954, 599435931, 799247908, 999059885, 1198871862, 1998119770, 2397743724, 2997179655, 3996239540, 5994359310, 11988718620]

約数ペア:

[(1, 11988718620), (2, 5994359310), (3, 3996239540), (4, 2997179655), (5, 2397743724), (6, 1998119770), (10, 1198871862), (12, 999059885), (15, 799247908), (20, 599435931), (30, 399623954), (60, 199811977)]