19866670

素因数分解:

$2^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1811}}^1$

素因数の和:2915

約数の個数: 16

約数和(自身を含む): 35812368

約数和(自身を除く): 15945698

約数列:

[1, 2, 5, 10, 1097, 1811, 2194, 3622, 5485, 9055, 10970, 18110, 1986667, 3973334, 9933335, 19866670]

約数ペア:

[(1, 19866670), (2, 9933335), (5, 3973334), (10, 1986667), (1097, 18110), (1811, 10970), (2194, 9055), (3622, 5485)]