1915697960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4353859}}^1$

素因数の和:4353881

約数の個数: 32

約数和(自身を含む): 4702168800

約数和(自身を除く): 2786470840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4353859, 8707718, 17415436, 21769295, 34830872, 43538590, 47892449, 87077180, 95784898, 174154360, 191569796, 239462245, 383139592, 478924490, 957848980, 1915697960]

約数ペア:

[(1, 1915697960), (2, 957848980), (4, 478924490), (5, 383139592), (8, 239462245), (10, 191569796), (11, 174154360), (20, 95784898), (22, 87077180), (40, 47892449), (44, 43538590), (55, 34830872), (88, 21769295), (110, 17415436), (220, 8707718), (440, 4353859)]