19969845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4423}}^1$

素因数の和:4481

約数の個数: 32

約数和(自身を含む): 37373952

約数和(自身を除く): 17404107

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4423, 4515, 13269, 22115, 30961, 66345, 92883, 154805, 190189, 464415, 570567, 950945, 1331323, 2852835, 3993969, 6656615, 19969845]

約数ペア:

[(1, 19969845), (3, 6656615), (5, 3993969), (7, 2852835), (15, 1331323), (21, 950945), (35, 570567), (43, 464415), (105, 190189), (129, 154805), (215, 92883), (301, 66345), (645, 30961), (903, 22115), (1505, 13269), (4423, 4515)]