19172860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136949}}^1$

素因数の和:136965

約数の個数: 24

約数和(自身を含む): 46015200

約数和(自身を除く): 26842340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136949, 273898, 547796, 684745, 958643, 1369490, 1917286, 2738980, 3834572, 4793215, 9586430, 19172860]

約数ペア:

[(1, 19172860), (2, 9586430), (4, 4793215), (5, 3834572), (7, 2738980), (10, 1917286), (14, 1369490), (20, 958643), (28, 684745), (35, 547796), (70, 273898), (140, 136949)]