19769085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 19857411

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 97, 105, 291, 315, 485, 647, 679, 873, 1455, 1941, 2037, 3235, 3395, 4365, 4529, 5823, 6111, 9705, 10185, 13587, 22645, 29115, 30555, 40761, 62759, 67935, 188277, 203805, 313795, 439313, 564831, 941385, 1317939, 2196565, 2824155, 3953817, 6589695, 19769085]

約数ペア:

[(1, 19769085), (3, 6589695), (5, 3953817), (7, 2824155), (9, 2196565), (15, 1317939), (21, 941385), (35, 564831), (45, 439313), (63, 313795), (97, 203805), (105, 188277), (291, 67935), (315, 62759), (485, 40761), (647, 30555), (679, 29115), (873, 22645), (1455, 13587), (1941, 10185), (2037, 9705), (3235, 6111), (3395, 5823), (4365, 4529)]