18981550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 40702752

約数和(自身を除く): 21721202

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 281, 350, 386, 562, 965, 1351, 1405, 1930, 1967, 2702, 2810, 3934, 4825, 6755, 7025, 9650, 9835, 13510, 14050, 19670, 33775, 49175, 54233, 67550, 98350, 108466, 271165, 379631, 542330, 759262, 1355825, 1898155, 2711650, 3796310, 9490775, 18981550]

約数ペア:

[(1, 18981550), (2, 9490775), (5, 3796310), (7, 2711650), (10, 1898155), (14, 1355825), (25, 759262), (35, 542330), (50, 379631), (70, 271165), (175, 108466), (193, 98350), (281, 67550), (350, 54233), (386, 49175), (562, 33775), (965, 19670), (1351, 14050), (1405, 13510), (1930, 9835), (1967, 9650), (2702, 7025), (2810, 6755), (3934, 4825)]