19258192

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 39497472

約数和(自身を除く): 20239280

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 947, 1271, 1894, 2542, 3788, 5084, 7576, 10168, 15152, 20336, 29357, 38827, 58714, 77654, 117428, 155308, 234856, 310616, 469712, 621232, 1203637, 2407274, 4814548, 9629096, 19258192]

約数ペア:

[(1, 19258192), (2, 9629096), (4, 4814548), (8, 2407274), (16, 1203637), (31, 621232), (41, 469712), (62, 310616), (82, 234856), (124, 155308), (164, 117428), (248, 77654), (328, 58714), (496, 38827), (656, 29357), (947, 20336), (1271, 15152), (1894, 10168), (2542, 7576), (3788, 5084)]