19811380292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2539}}^1\times {\mathrm{177337}}^1$

素因数の和:179891

約数の個数: 24

約数和(自身を含む): 37836835680

約数和(自身を除く): 18025455388

約数列:

[1, 2, 4, 11, 22, 44, 2539, 5078, 10156, 27929, 55858, 111716, 177337, 354674, 709348, 1950707, 3901414, 7802828, 450258643, 900517286, 1801034572, 4952845073, 9905690146, 19811380292]

約数ペア:

[(1, 19811380292), (2, 9905690146), (4, 4952845073), (11, 1801034572), (22, 900517286), (44, 450258643), (2539, 7802828), (5078, 3901414), (10156, 1950707), (27929, 709348), (55858, 354674), (111716, 177337)]