19701814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5003}}^1$

素因数の和:5195

約数の個数: 16

約数和(自身を含む): 32425920

約数和(自身を除く): 12724106

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5003, 10006, 55033, 110066, 895537, 1791074, 9850907, 19701814]

約数ペア:

[(1, 19701814), (2, 9850907), (11, 1791074), (22, 895537), (179, 110066), (358, 55033), (1969, 10006), (3938, 5003)]