19823792

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 40545024

約数和(自身を除く): 20721232

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 184, 206, 368, 412, 523, 824, 1046, 1648, 2092, 2369, 4184, 4738, 8368, 9476, 12029, 18952, 24058, 37904, 48116, 53869, 96232, 107738, 192464, 215476, 430952, 861904, 1238987, 2477974, 4955948, 9911896, 19823792]

約数ペア:

[(1, 19823792), (2, 9911896), (4, 4955948), (8, 2477974), (16, 1238987), (23, 861904), (46, 430952), (92, 215476), (103, 192464), (184, 107738), (206, 96232), (368, 53869), (412, 48116), (523, 37904), (824, 24058), (1046, 18952), (1648, 12029), (2092, 9476), (2369, 8368), (4184, 4738)]