18441872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67801}}^1$

素因数の和:67826

約数の個数: 20

約数和(自身を含む): 37833516

約数和(自身を除く): 19391644

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67801, 135602, 271204, 542408, 1084816, 1152617, 2305234, 4610468, 9220936, 18441872]

約数ペア:

[(1, 18441872), (2, 9220936), (4, 4610468), (8, 2305234), (16, 1152617), (17, 1084816), (34, 542408), (68, 271204), (136, 135602), (272, 67801)]