19873666

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4391}}^1$

素因数の和:4497

約数の個数: 16

約数和(自身を含む): 31200768

約数和(自身を除く): 11327102

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4391, 4526, 8782, 136121, 272242, 320543, 641086, 9936833, 19873666]

約数ペア:

[(1, 19873666), (2, 9936833), (31, 641086), (62, 320543), (73, 272242), (146, 136121), (2263, 8782), (4391, 4526)]