19713664

素因数分解:

$2^7\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 39501540

約数和(自身を除く): 19787876

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 233, 466, 661, 932, 1322, 1864, 2644, 3728, 5288, 7456, 10576, 14912, 21152, 29824, 42304, 84608, 154013, 308026, 616052, 1232104, 2464208, 4928416, 9856832, 19713664]

約数ペア:

[(1, 19713664), (2, 9856832), (4, 4928416), (8, 2464208), (16, 1232104), (32, 616052), (64, 308026), (128, 154013), (233, 84608), (466, 42304), (661, 29824), (932, 21152), (1322, 14912), (1864, 10576), (2644, 7456), (3728, 5288)]