19438826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3697}}^1$

素因数の和:3949

約数の個数: 16

約数和(自身を含む): 31950720

約数和(自身を除く): 12511894

約数列:

[1, 2, 11, 22, 239, 478, 2629, 3697, 5258, 7394, 40667, 81334, 883583, 1767166, 9719413, 19438826]

約数ペア:

[(1, 19438826), (2, 9719413), (11, 1767166), (22, 883583), (239, 81334), (478, 40667), (2629, 7394), (3697, 5258)]