19239685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 6565115

約数列:

[1, 5, 19, 31, 47, 95, 139, 155, 235, 589, 695, 893, 1457, 2641, 2945, 4309, 4465, 6533, 7285, 13205, 21545, 27683, 32665, 81871, 124127, 138415, 202523, 409355, 620635, 1012615, 3847937, 19239685]

約数ペア:

[(1, 19239685), (5, 3847937), (19, 1012615), (31, 620635), (47, 409355), (95, 202523), (139, 138415), (155, 124127), (235, 81871), (589, 32665), (695, 27683), (893, 21545), (1457, 13205), (2641, 7285), (2945, 6533), (4309, 4465)]