19688944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111869}}^1$

素因数の和:111888

約数の個数: 20

約数和(自身を含む): 41615640

約数和(自身を除く): 21926696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111869, 223738, 447476, 894952, 1230559, 1789904, 2461118, 4922236, 9844472, 19688944]

約数ペア:

[(1, 19688944), (2, 9844472), (4, 4922236), (8, 2461118), (11, 1789904), (16, 1230559), (22, 894952), (44, 447476), (88, 223738), (176, 111869)]