18080090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1427}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 37425024

約数和(自身を除く): 19344934

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1427, 1810, 2534, 2854, 6335, 7135, 9989, 12670, 14270, 19978, 49945, 99890, 258287, 516574, 1291435, 1808009, 2582870, 3616018, 9040045, 18080090]

約数ペア:

[(1, 18080090), (2, 9040045), (5, 3616018), (7, 2582870), (10, 1808009), (14, 1291435), (35, 516574), (70, 258287), (181, 99890), (362, 49945), (905, 19978), (1267, 14270), (1427, 12670), (1810, 9989), (2534, 7135), (2854, 6335)]