19986575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6011}}^1$

素因数の和:6047

約数の個数: 24

約数和(自身を含む): 29819520

約数和(自身を除く): 9832945

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 6011, 30055, 42077, 114209, 150275, 210385, 571045, 799463, 1051925, 2855225, 3997315, 19986575]

約数ペア:

[(1, 19986575), (5, 3997315), (7, 2855225), (19, 1051925), (25, 799463), (35, 571045), (95, 210385), (133, 150275), (175, 114209), (475, 42077), (665, 30055), (3325, 6011)]