18321795

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2417

約数の個数: 40

約数和(自身を含む): 34586640

約数和(自身を除く): 16264845

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2381, 2565, 7143, 7695, 11905, 21429, 35715, 45239, 64287, 107145, 135717, 192861, 226195, 321435, 407151, 678585, 964305, 1221453, 2035755, 3664359, 6107265, 18321795]

約数ペア:

[(1, 18321795), (3, 6107265), (5, 3664359), (9, 2035755), (15, 1221453), (19, 964305), (27, 678585), (45, 407151), (57, 321435), (81, 226195), (95, 192861), (135, 135717), (171, 107145), (285, 64287), (405, 45239), (513, 35715), (855, 21429), (1539, 11905), (2381, 7695), (2565, 7143)]