19676415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 35661024

約数和(自身を除く): 15984609

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 185, 293, 363, 407, 555, 605, 879, 1221, 1465, 1815, 2035, 3223, 4395, 4477, 6105, 9669, 10841, 13431, 16115, 22385, 32523, 35453, 48345, 54205, 67155, 106359, 119251, 162615, 177265, 357753, 531795, 596255, 1311761, 1788765, 3935283, 6558805, 19676415]

約数ペア:

[(1, 19676415), (3, 6558805), (5, 3935283), (11, 1788765), (15, 1311761), (33, 596255), (37, 531795), (55, 357753), (111, 177265), (121, 162615), (165, 119251), (185, 106359), (293, 67155), (363, 54205), (407, 48345), (555, 35453), (605, 32523), (879, 22385), (1221, 16115), (1465, 13431), (1815, 10841), (2035, 9669), (3223, 6105), (4395, 4477)]