19017724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2753}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 36551088

約数和(自身を除く): 17533364

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2753, 3454, 5506, 6908, 11012, 30283, 60566, 121132, 432221, 864442, 1728884, 4754431, 9508862, 19017724]

約数ペア:

[(1, 19017724), (2, 9508862), (4, 4754431), (11, 1728884), (22, 864442), (44, 432221), (157, 121132), (314, 60566), (628, 30283), (1727, 11012), (2753, 6908), (3454, 5506)]