19963965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10007}}^1$

素因数の和:10041

約数の個数: 32

約数和(自身を含む): 38430720

約数和(自身を除く): 18466755

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10007, 30021, 50035, 70049, 150105, 190133, 210147, 350245, 570399, 950665, 1050735, 1330931, 2851995, 3992793, 6654655, 19963965]

約数ペア:

[(1, 19963965), (3, 6654655), (5, 3992793), (7, 2851995), (15, 1330931), (19, 1050735), (21, 950665), (35, 570399), (57, 350245), (95, 210147), (105, 190133), (133, 150105), (285, 70049), (399, 50035), (665, 30021), (1995, 10007)]