19625984

素因数分解:

$2^{11}\times 7^1\times {\mathrm{37}}^2$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 46093320

約数和(自身を除く): 26467336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 592, 896, 1024, 1036, 1184, 1369, 1792, 2048, 2072, 2368, 2738, 3584, 4144, 4736, 5476, 7168, 8288, 9472, 9583, 10952, 14336, 16576, 18944, 19166, 21904, 33152, 37888, 38332, 43808, 66304, 75776, 76664, 87616, 132608, 153328, 175232, 265216, 306656, 350464, 530432, 613312, 700928, 1226624, 1401856, 2453248, 2803712, 4906496, 9812992, 19625984]

約数ペア:

[(1, 19625984), (2, 9812992), (4, 4906496), (7, 2803712), (8, 2453248), (14, 1401856), (16, 1226624), (28, 700928), (32, 613312), (37, 530432), (56, 350464), (64, 306656), (74, 265216), (112, 175232), (128, 153328), (148, 132608), (224, 87616), (256, 76664), (259, 75776), (296, 66304), (448, 43808), (512, 38332), (518, 37888), (592, 33152), (896, 21904), (1024, 19166), (1036, 18944), (1184, 16576), (1369, 14336), (1792, 10952), (2048, 9583), (2072, 9472), (2368, 8288), (2738, 7168), (3584, 5476), (4144, 4736)]