18213424

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 37711872

約数和(自身を除く): 19498448

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1151, 1978, 2302, 3956, 4604, 7912, 9208, 15824, 18416, 26473, 49493, 52946, 98986, 105892, 197972, 211784, 395944, 423568, 791888, 1138339, 2276678, 4553356, 9106712, 18213424]

約数ペア:

[(1, 18213424), (2, 9106712), (4, 4553356), (8, 2276678), (16, 1138339), (23, 791888), (43, 423568), (46, 395944), (86, 211784), (92, 197972), (172, 105892), (184, 98986), (344, 52946), (368, 49493), (688, 26473), (989, 18416), (1151, 15824), (1978, 9208), (2302, 7912), (3956, 4604)]