19030768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 38192000

約数和(自身を除く): 19161232

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 199, 278, 344, 398, 556, 688, 796, 1112, 1592, 2224, 3184, 5977, 8557, 11954, 17114, 23908, 27661, 34228, 47816, 55322, 68456, 95632, 110644, 136912, 221288, 442576, 1189423, 2378846, 4757692, 9515384, 19030768]

約数ペア:

[(1, 19030768), (2, 9515384), (4, 4757692), (8, 2378846), (16, 1189423), (43, 442576), (86, 221288), (139, 136912), (172, 110644), (199, 95632), (278, 68456), (344, 55322), (398, 47816), (556, 34228), (688, 27661), (796, 23908), (1112, 17114), (1592, 11954), (2224, 8557), (3184, 5977)]