1998194

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 3447360

約数和(自身を除く): 1449166

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 359, 506, 718, 2783, 3949, 5566, 7898, 8257, 16514, 43439, 86878, 90827, 181654, 999097, 1998194]

約数ペア:

[(1, 1998194), (2, 999097), (11, 181654), (22, 90827), (23, 86878), (46, 43439), (121, 16514), (242, 8257), (253, 7898), (359, 5566), (506, 3949), (718, 2783)]