18820107

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 28894320

約数和(自身を除く): 10074213

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 1889, 3321, 5667, 9963, 17001, 51003, 77449, 153009, 232347, 459027, 697041, 2091123, 6273369, 18820107]

約数ペア:

[(1, 18820107), (3, 6273369), (9, 2091123), (27, 697041), (41, 459027), (81, 232347), (123, 153009), (243, 77449), (369, 51003), (1107, 17001), (1889, 9963), (3321, 5667)]