18729856

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 37631880

約数和(自身を除く): 18902024

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1117, 2096, 2234, 4192, 4468, 8384, 8936, 16768, 17872, 35744, 71488, 142976, 146327, 292654, 585308, 1170616, 2341232, 4682464, 9364928, 18729856]

約数ペア:

[(1, 18729856), (2, 9364928), (4, 4682464), (8, 2341232), (16, 1170616), (32, 585308), (64, 292654), (128, 146327), (131, 142976), (262, 71488), (524, 35744), (1048, 17872), (1117, 16768), (2096, 8936), (2234, 8384), (4192, 4468)]