19918848

素因数分解:

$2^{12}\times 3^1\times {\mathrm{1621}}^1$

素因数の和:1648

約数の個数: 52

約数和(自身を含む): 53143208

約数和(自身を除く): 33224360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 1621, 2048, 3072, 3242, 4096, 4863, 6144, 6484, 9726, 12288, 12968, 19452, 25936, 38904, 51872, 77808, 103744, 155616, 207488, 311232, 414976, 622464, 829952, 1244928, 1659904, 2489856, 3319808, 4979712, 6639616, 9959424, 19918848]

約数ペア:

[(1, 19918848), (2, 9959424), (3, 6639616), (4, 4979712), (6, 3319808), (8, 2489856), (12, 1659904), (16, 1244928), (24, 829952), (32, 622464), (48, 414976), (64, 311232), (96, 207488), (128, 155616), (192, 103744), (256, 77808), (384, 51872), (512, 38904), (768, 25936), (1024, 19452), (1536, 12968), (1621, 12288), (2048, 9726), (3072, 6484), (3242, 6144), (4096, 4863)]