18686115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 37372608

約数和(自身を除く): 18686493

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 315, 411, 433, 685, 959, 1233, 1299, 2055, 2165, 2877, 3031, 3897, 4795, 6165, 6495, 8631, 9093, 14385, 15155, 19485, 27279, 43155, 45465, 59321, 136395, 177963, 296605, 415247, 533889, 889815, 1245741, 2076235, 2669445, 3737223, 6228705, 18686115]

約数ペア:

[(1, 18686115), (3, 6228705), (5, 3737223), (7, 2669445), (9, 2076235), (15, 1245741), (21, 889815), (35, 533889), (45, 415247), (63, 296605), (105, 177963), (137, 136395), (315, 59321), (411, 45465), (433, 43155), (685, 27279), (959, 19485), (1233, 15155), (1299, 14385), (2055, 9093), (2165, 8631), (2877, 6495), (3031, 6165), (3897, 4795)]