19997142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4967}}^1$

素因数の和:5044

約数の個数: 32

約数和(自身を含む): 44354304

約数和(自身を除く): 24357162

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 183, 366, 671, 1342, 2013, 4026, 4967, 9934, 14901, 29802, 54637, 109274, 163911, 302987, 327822, 605974, 908961, 1817922, 3332857, 6665714, 9998571, 19997142]

約数ペア:

[(1, 19997142), (2, 9998571), (3, 6665714), (6, 3332857), (11, 1817922), (22, 908961), (33, 605974), (61, 327822), (66, 302987), (122, 163911), (183, 109274), (366, 54637), (671, 29802), (1342, 14901), (2013, 9934), (4026, 4967)]