19582155

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 16270389

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 227, 243, 355, 405, 639, 681, 1065, 1135, 1215, 1917, 2043, 3195, 3405, 5751, 6129, 9585, 10215, 16117, 17253, 18387, 28755, 30645, 48351, 55161, 80585, 86265, 91935, 145053, 241755, 275805, 435159, 725265, 1305477, 2175795, 3916431, 6527385, 19582155]

約数ペア:

[(1, 19582155), (3, 6527385), (5, 3916431), (9, 2175795), (15, 1305477), (27, 725265), (45, 435159), (71, 275805), (81, 241755), (135, 145053), (213, 91935), (227, 86265), (243, 80585), (355, 55161), (405, 48351), (639, 30645), (681, 28755), (1065, 18387), (1135, 17253), (1215, 16117), (1917, 10215), (2043, 9585), (3195, 6129), (3405, 5751)]