18051145

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 25952256

約数和(自身を除く): 7901111

約数列:

[1, 5, 7, 31, 35, 127, 131, 155, 217, 635, 655, 889, 917, 1085, 3937, 4061, 4445, 4585, 16637, 19685, 20305, 27559, 28427, 83185, 116459, 137795, 142135, 515747, 582295, 2578735, 3610229, 18051145]

約数ペア:

[(1, 18051145), (5, 3610229), (7, 2578735), (31, 582295), (35, 515747), (127, 142135), (131, 137795), (155, 116459), (217, 83185), (635, 28427), (655, 27559), (889, 20305), (917, 19685), (1085, 16637), (3937, 4585), (4061, 4445)]