18396488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{599}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 19403512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 599, 698, 1198, 1396, 2396, 2792, 3839, 4792, 6589, 7678, 13178, 15356, 26356, 30712, 52712, 209051, 418102, 836204, 1672408, 2299561, 4599122, 9198244, 18396488]

約数ペア:

[(1, 18396488), (2, 9198244), (4, 4599122), (8, 2299561), (11, 1672408), (22, 836204), (44, 418102), (88, 209051), (349, 52712), (599, 30712), (698, 26356), (1198, 15356), (1396, 13178), (2396, 7678), (2792, 6589), (3839, 4792)]