20184916

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 36

約数和(自身を含む): 39541600

約数和(自身を除く): 19356684

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 919, 1156, 1292, 1838, 3676, 5491, 10982, 15623, 17461, 21964, 31246, 34922, 62492, 69844, 265591, 296837, 531182, 593674, 1062364, 1187348, 5046229, 10092458, 20184916]

約数ペア:

[(1, 20184916), (2, 10092458), (4, 5046229), (17, 1187348), (19, 1062364), (34, 593674), (38, 531182), (68, 296837), (76, 265591), (289, 69844), (323, 62492), (578, 34922), (646, 31246), (919, 21964), (1156, 17461), (1292, 15623), (1838, 10982), (3676, 5491)]