18627080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2207}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 23501560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2207, 4220, 4414, 8440, 8828, 11035, 17656, 22070, 44140, 88280, 465677, 931354, 1862708, 2328385, 3725416, 4656770, 9313540, 18627080]

約数ペア:

[(1, 18627080), (2, 9313540), (4, 4656770), (5, 3725416), (8, 2328385), (10, 1862708), (20, 931354), (40, 465677), (211, 88280), (422, 44140), (844, 22070), (1055, 17656), (1688, 11035), (2110, 8828), (2207, 8440), (4220, 4414)]