19654431

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29211840

約数和(自身を除く): 9557409

約数列:

[1, 3, 17, 29, 51, 87, 97, 137, 291, 411, 493, 1479, 1649, 2329, 2813, 3973, 4947, 6987, 8439, 11919, 13289, 39867, 47821, 67541, 143463, 202623, 225913, 385381, 677739, 1156143, 6551477, 19654431]

約数ペア:

[(1, 19654431), (3, 6551477), (17, 1156143), (29, 677739), (51, 385381), (87, 225913), (97, 202623), (137, 143463), (291, 67541), (411, 47821), (493, 39867), (1479, 13289), (1649, 11919), (2329, 8439), (2813, 6987), (3973, 4947)]