19550391

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 32928768

約数和(自身を除く): 13378377

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2381, 2737, 7143, 8211, 16667, 40477, 50001, 54763, 121431, 164289, 283339, 383341, 850017, 930971, 1150023, 2792913, 6516797, 19550391]

約数ペア:

[(1, 19550391), (3, 6516797), (7, 2792913), (17, 1150023), (21, 930971), (23, 850017), (51, 383341), (69, 283339), (119, 164289), (161, 121431), (357, 54763), (391, 50001), (483, 40477), (1173, 16667), (2381, 8211), (2737, 7143)]