19879424

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1006

約数の個数: 40

約数和(自身を含む): 40731768

約数和(自身を除く): 20852344

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 947, 1312, 1894, 2624, 3788, 5248, 7576, 10496, 15152, 20992, 30304, 38827, 60608, 77654, 121216, 155308, 242432, 310616, 484864, 621232, 1242464, 2484928, 4969856, 9939712, 19879424]

約数ペア:

[(1, 19879424), (2, 9939712), (4, 4969856), (8, 2484928), (16, 1242464), (32, 621232), (41, 484864), (64, 310616), (82, 242432), (128, 155308), (164, 121216), (256, 77654), (328, 60608), (512, 38827), (656, 30304), (947, 20992), (1312, 15152), (1894, 10496), (2624, 7576), (3788, 5248)]