18396963

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17471}}^1$

素因数の和:17496

約数の個数: 20

約数和(自身を含む): 29597568

約数和(自身を除く): 11200605

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17471, 52413, 157239, 227123, 471717, 681369, 1415151, 2044107, 6132321, 18396963]

約数ペア:

[(1, 18396963), (3, 6132321), (9, 2044107), (13, 1415151), (27, 681369), (39, 471717), (81, 227123), (117, 157239), (351, 52413), (1053, 17471)]