19938082178

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2063}}^1\times {\mathrm{4397}}^1$

素因数の和:6626

約数の個数: 32

約数和(自身を含む): 34421773824

約数和(自身を除く): 14483691646

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2063, 2198, 4126, 4397, 8794, 14441, 28882, 30779, 61558, 323891, 647782, 690329, 1380658, 2267237, 4534474, 4832303, 9071011, 9664606, 18142022, 63497077, 126994154, 1424148727, 2848297454, 9969041089, 19938082178]

約数ペア:

[(1, 19938082178), (2, 9969041089), (7, 2848297454), (14, 1424148727), (157, 126994154), (314, 63497077), (1099, 18142022), (2063, 9664606), (2198, 9071011), (4126, 4832303), (4397, 4534474), (8794, 2267237), (14441, 1380658), (28882, 690329), (30779, 647782), (61558, 323891)]