18873856

素因数分解:

$2^9\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 40

約数和(自身を含む): 38104704

約数和(自身を除く): 19230848

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 193, 256, 382, 386, 512, 764, 772, 1528, 1544, 3056, 3088, 6112, 6176, 12224, 12352, 24448, 24704, 36863, 48896, 49408, 73726, 97792, 98816, 147452, 294904, 589808, 1179616, 2359232, 4718464, 9436928, 18873856]

約数ペア:

[(1, 18873856), (2, 9436928), (4, 4718464), (8, 2359232), (16, 1179616), (32, 589808), (64, 294904), (128, 147452), (191, 98816), (193, 97792), (256, 73726), (382, 49408), (386, 48896), (512, 36863), (764, 24704), (772, 24448), (1528, 12352), (1544, 12224), (3056, 6176), (3088, 6112)]