18705368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{212561}}^1$

素因数の和:212578

約数の個数: 16

約数和(自身を含む): 38261160

約数和(自身を除く): 19555792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 212561, 425122, 850244, 1700488, 2338171, 4676342, 9352684, 18705368]

約数ペア:

[(1, 18705368), (2, 9352684), (4, 4676342), (8, 2338171), (11, 1700488), (22, 850244), (44, 425122), (88, 212561)]