19291184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109609}}^1$

素因数の和:109628

約数の個数: 20

約数和(自身を含む): 40774920

約数和(自身を除く): 21483736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109609, 219218, 438436, 876872, 1205699, 1753744, 2411398, 4822796, 9645592, 19291184]

約数ペア:

[(1, 19291184), (2, 9645592), (4, 4822796), (8, 2411398), (11, 1753744), (16, 1205699), (22, 876872), (44, 438436), (88, 219218), (176, 109609)]