18990766

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:976

約数の個数: 24

約数和(自身を含む): 31135320

約数和(自身を除く): 12144554

約数列:

[1, 2, 19, 29, 38, 58, 361, 551, 722, 907, 1102, 1814, 10469, 17233, 20938, 26303, 34466, 52606, 327427, 499757, 654854, 999514, 9495383, 18990766]

約数ペア:

[(1, 18990766), (2, 9495383), (19, 999514), (29, 654854), (38, 499757), (58, 327427), (361, 52606), (551, 34466), (722, 26303), (907, 20938), (1102, 17233), (1814, 10469)]