19938424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9851}}^1$

素因数の和:9891

約数の個数: 32

約数和(自身を含む): 42560640

約数和(自身を除く): 22622216

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 9851, 19702, 39404, 78808, 108361, 216722, 226573, 433444, 453146, 866888, 906292, 1812584, 2492303, 4984606, 9969212, 19938424]

約数ペア:

[(1, 19938424), (2, 9969212), (4, 4984606), (8, 2492303), (11, 1812584), (22, 906292), (23, 866888), (44, 453146), (46, 433444), (88, 226573), (92, 216722), (184, 108361), (253, 78808), (506, 39404), (1012, 19702), (2024, 9851)]