19667547

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 29577600

約数和(自身を除く): 9910053

約数列:

[1, 3, 9, 31, 93, 157, 279, 449, 471, 1347, 1413, 4041, 4867, 13919, 14601, 41757, 43803, 70493, 125271, 211479, 634437, 2185283, 6555849, 19667547]

約数ペア:

[(1, 19667547), (3, 6555849), (9, 2185283), (31, 634437), (93, 211479), (157, 125271), (279, 70493), (449, 43803), (471, 41757), (1347, 14601), (1413, 13919), (4041, 4867)]