19735518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13001}}^1$

素因数の和:13040

約数の個数: 32

約数和(自身を含む): 44934912

約数和(自身を除く): 25199394

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13001, 26002, 39003, 78006, 143011, 286022, 299023, 429033, 598046, 858066, 897069, 1794138, 3289253, 6578506, 9867759, 19735518]

約数ペア:

[(1, 19735518), (2, 9867759), (3, 6578506), (6, 3289253), (11, 1794138), (22, 897069), (23, 858066), (33, 598046), (46, 429033), (66, 299023), (69, 286022), (138, 143011), (253, 78006), (506, 39003), (759, 26002), (1518, 13001)]