18330455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 8377513

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 827, 1705, 2015, 4135, 4433, 9097, 10751, 22165, 25637, 45485, 53755, 118261, 128185, 282007, 333281, 591305, 1410035, 1666405, 3666091, 18330455]

約数ペア:

[(1, 18330455), (5, 3666091), (11, 1666405), (13, 1410035), (31, 591305), (55, 333281), (65, 282007), (143, 128185), (155, 118261), (341, 53755), (403, 45485), (715, 25637), (827, 22165), (1705, 10751), (2015, 9097), (4135, 4433)]