18670687

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 22533120

約数和(自身を除く): 3862433

約数列:

[1, 7, 23, 89, 161, 623, 1303, 2047, 9121, 14329, 29969, 115967, 209783, 811769, 2667241, 18670687]

約数ペア:

[(1, 18670687), (7, 2667241), (23, 811769), (89, 209783), (161, 115967), (623, 29969), (1303, 14329), (2047, 9121)]