19497245

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 24088320

約数和(自身を除く): 4591075

約数列:

[1, 5, 47, 163, 235, 509, 815, 2545, 7661, 23923, 38305, 82967, 119615, 414835, 3899449, 19497245]

約数ペア:

[(1, 19497245), (5, 3899449), (47, 414835), (163, 119615), (235, 82967), (509, 38305), (815, 23923), (2545, 7661)]