19997182

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4723}}^1$

素因数の和:4827

約数の個数: 16

約数和(自身を含む): 31461840

約数和(自身を除く): 11464658

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4723, 9446, 136967, 273934, 344779, 689558, 9998591, 19997182]

約数ペア:

[(1, 19997182), (2, 9998591), (29, 689558), (58, 344779), (73, 273934), (146, 136967), (2117, 9446), (4234, 4723)]