19499670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{72221}}^1$

素因数の和:72237

約数の個数: 32

約数和(自身を含む): 51999840

約数和(自身を除く): 32500170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 72221, 144442, 216663, 361105, 433326, 649989, 722210, 1083315, 1299978, 1949967, 2166630, 3249945, 3899934, 6499890, 9749835, 19499670]

約数ペア:

[(1, 19499670), (2, 9749835), (3, 6499890), (5, 3899934), (6, 3249945), (9, 2166630), (10, 1949967), (15, 1299978), (18, 1083315), (27, 722210), (30, 649989), (45, 433326), (54, 361105), (90, 216663), (135, 144442), (270, 72221)]