18889438

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1033}}^1$

素因数の和:1299

約数の個数: 16

約数和(自身を含む): 29183616

約数和(自身を除く): 10294178

約数列:

[1, 2, 41, 82, 223, 446, 1033, 2066, 9143, 18286, 42353, 84706, 230359, 460718, 9444719, 18889438]

約数ペア:

[(1, 18889438), (2, 9444719), (41, 460718), (82, 230359), (223, 84706), (446, 42353), (1033, 18286), (2066, 9143)]