18935770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1894

約数の個数: 32

約数和(自身を含む): 39224448

約数和(自身を除く): 20288678

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 1723, 2198, 3446, 5495, 8615, 10990, 12061, 17230, 24122, 60305, 120610, 270511, 541022, 1352555, 1893577, 2705110, 3787154, 9467885, 18935770]

約数ペア:

[(1, 18935770), (2, 9467885), (5, 3787154), (7, 2705110), (10, 1893577), (14, 1352555), (35, 541022), (70, 270511), (157, 120610), (314, 60305), (785, 24122), (1099, 17230), (1570, 12061), (1723, 10990), (2198, 8615), (3446, 5495)]