18516993

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 28089600

約数和(自身を除く): 9572607

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 1759, 3509, 5277, 10527, 19349, 51011, 58047, 153033, 212839, 561121, 638517, 1683363, 6172331, 18516993]

約数ペア:

[(1, 18516993), (3, 6172331), (11, 1683363), (29, 638517), (33, 561121), (87, 212839), (121, 153033), (319, 58047), (363, 51011), (957, 19349), (1759, 10527), (3509, 5277)]