19551748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{953}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 35900928

約数和(自身を除く): 16349180

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 953, 1906, 3812, 5129, 10258, 20516, 21919, 43838, 87676, 212519, 425038, 850076, 4887937, 9775874, 19551748]

約数ペア:

[(1, 19551748), (2, 9775874), (4, 4887937), (23, 850076), (46, 425038), (92, 212519), (223, 87676), (446, 43838), (892, 21919), (953, 20516), (1906, 10258), (3812, 5129)]