19689216

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 54157824

約数和(自身を除く): 34468608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 827, 992, 1488, 1654, 1984, 2481, 2976, 3308, 3968, 4962, 5952, 6616, 7936, 9924, 11904, 13232, 19848, 23808, 25637, 26464, 39696, 51274, 52928, 76911, 79392, 102548, 105856, 153822, 158784, 205096, 211712, 307644, 317568, 410192, 615288, 635136, 820384, 1230576, 1640768, 2461152, 3281536, 4922304, 6563072, 9844608, 19689216]

約数ペア:

[(1, 19689216), (2, 9844608), (3, 6563072), (4, 4922304), (6, 3281536), (8, 2461152), (12, 1640768), (16, 1230576), (24, 820384), (31, 635136), (32, 615288), (48, 410192), (62, 317568), (64, 307644), (93, 211712), (96, 205096), (124, 158784), (128, 153822), (186, 105856), (192, 102548), (248, 79392), (256, 76911), (372, 52928), (384, 51274), (496, 39696), (744, 26464), (768, 25637), (827, 23808), (992, 19848), (1488, 13232), (1654, 11904), (1984, 9924), (2481, 7936), (2976, 6616), (3308, 5952), (3968, 4962)]