19086040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1901}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 43137360

約数和(自身を除く): 24051320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1901, 2008, 2510, 3802, 5020, 7604, 9505, 10040, 15208, 19010, 38020, 76040, 477151, 954302, 1908604, 2385755, 3817208, 4771510, 9543020, 19086040]

約数ペア:

[(1, 19086040), (2, 9543020), (4, 4771510), (5, 3817208), (8, 2385755), (10, 1908604), (20, 954302), (40, 477151), (251, 76040), (502, 38020), (1004, 19010), (1255, 15208), (1901, 10040), (2008, 9505), (2510, 7604), (3802, 5020)]