19929717

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 29918616

約数和(自身を除く): 9988899

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 617, 873, 1851, 3589, 5553, 10767, 22829, 32301, 59849, 68487, 179547, 205461, 538641, 2214413, 6643239, 19929717]

約数ペア:

[(1, 19929717), (3, 6643239), (9, 2214413), (37, 538641), (97, 205461), (111, 179547), (291, 68487), (333, 59849), (617, 32301), (873, 22829), (1851, 10767), (3589, 5553)]