19969515

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6079}}^1$

素因数の和:6163

約数の個数: 24

約数和(自身を含む): 35093760

約数和(自身を除く): 15124245

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6079, 18237, 30395, 54711, 91185, 273555, 443767, 1331301, 2218835, 3993903, 6656505, 19969515]

約数ペア:

[(1, 19969515), (3, 6656505), (5, 3993903), (9, 2218835), (15, 1331301), (45, 443767), (73, 273555), (219, 91185), (365, 54711), (657, 30395), (1095, 18237), (3285, 6079)]