19577685

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 12862635

約数列:

[1, 3, 5, 15, 43, 127, 129, 215, 239, 381, 635, 645, 717, 1195, 1905, 3585, 5461, 10277, 16383, 27305, 30353, 30831, 51385, 81915, 91059, 151765, 154155, 455295, 1305179, 3915537, 6525895, 19577685]

約数ペア:

[(1, 19577685), (3, 6525895), (5, 3915537), (15, 1305179), (43, 455295), (127, 154155), (129, 151765), (215, 91059), (239, 81915), (381, 51385), (635, 30831), (645, 30353), (717, 27305), (1195, 16383), (1905, 10277), (3585, 5461)]