19773105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 34715520

約数和(自身を除く): 14942415

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 293, 409, 879, 1227, 1465, 2045, 3223, 4395, 4499, 6135, 9669, 13497, 16115, 22495, 48345, 67485, 119837, 359511, 599185, 1318207, 1797555, 3954621, 6591035, 19773105]

約数ペア:

[(1, 19773105), (3, 6591035), (5, 3954621), (11, 1797555), (15, 1318207), (33, 599185), (55, 359511), (165, 119837), (293, 67485), (409, 48345), (879, 22495), (1227, 16115), (1465, 13497), (2045, 9669), (3223, 6135), (4395, 4499)]