19776393

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2715

約数の個数: 40

約数和(自身を含む): 36373568

約数和(自身を除く): 16597175

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2683, 7371, 8049, 18781, 24147, 34879, 56343, 72441, 104637, 169029, 217323, 244153, 313911, 507087, 732459, 941733, 1521261, 2197377, 2825199, 6592131, 19776393]

約数ペア:

[(1, 19776393), (3, 6592131), (7, 2825199), (9, 2197377), (13, 1521261), (21, 941733), (27, 732459), (39, 507087), (63, 313911), (81, 244153), (91, 217323), (117, 169029), (189, 104637), (273, 72441), (351, 56343), (567, 34879), (819, 24147), (1053, 18781), (2457, 8049), (2683, 7371)]