19662670

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3863}}^1$

素因数の和:4379

約数の個数: 16

約数和(自身を含む): 35471520

約数和(自身を除く): 15808850

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 3863, 5090, 7726, 19315, 38630, 1966267, 3932534, 9831335, 19662670]

約数ペア:

[(1, 19662670), (2, 9831335), (5, 3932534), (10, 1966267), (509, 38630), (1018, 19315), (2545, 7726), (3863, 5090)]