19998638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3593}}^1$

素因数の和:3640

約数の個数: 24

約数和(自身を含む): 34416144

約数和(自身を除く): 14417506

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3593, 5566, 7186, 39523, 79046, 82639, 165278, 434753, 869506, 909029, 1818058, 9999319, 19998638]

約数ペア:

[(1, 19998638), (2, 9999319), (11, 1818058), (22, 909029), (23, 869506), (46, 434753), (121, 165278), (242, 82639), (253, 79046), (506, 39523), (2783, 7186), (3593, 5566)]