19740424

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20393}}^1$

素因数の和:20421

約数の個数: 24

約数和(自身を含む): 40686030

約数和(自身を除く): 20945606

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20393, 40786, 81572, 163144, 224323, 448646, 897292, 1794584, 2467553, 4935106, 9870212, 19740424]

約数ペア:

[(1, 19740424), (2, 9870212), (4, 4935106), (8, 2467553), (11, 1794584), (22, 897292), (44, 448646), (88, 224323), (121, 163144), (242, 81572), (484, 40786), (968, 20393)]