18894848

素因数分解:

$2^{12}\times 7^1\times {\mathrm{659}}^1$

素因数の和:690

約数の個数: 52

約数和(自身を含む): 43248480

約数和(自身を除く): 24353632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 659, 896, 1024, 1318, 1792, 2048, 2636, 3584, 4096, 4613, 5272, 7168, 9226, 10544, 14336, 18452, 21088, 28672, 36904, 42176, 73808, 84352, 147616, 168704, 295232, 337408, 590464, 674816, 1180928, 1349632, 2361856, 2699264, 4723712, 9447424, 18894848]

約数ペア:

[(1, 18894848), (2, 9447424), (4, 4723712), (7, 2699264), (8, 2361856), (14, 1349632), (16, 1180928), (28, 674816), (32, 590464), (56, 337408), (64, 295232), (112, 168704), (128, 147616), (224, 84352), (256, 73808), (448, 42176), (512, 36904), (659, 28672), (896, 21088), (1024, 18452), (1318, 14336), (1792, 10544), (2048, 9226), (2636, 7168), (3584, 5272), (4096, 4613)]