19688084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5651}}^1$

素因数の和:5735

約数の個数: 24

約数和(自身を含む): 37664928

約数和(自身を除く): 17976844

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5651, 11302, 22604, 73463, 146926, 293852, 378617, 757234, 1514468, 4922021, 9844042, 19688084]

約数ペア:

[(1, 19688084), (2, 9844042), (4, 4922021), (13, 1514468), (26, 757234), (52, 378617), (67, 293852), (134, 146926), (268, 73463), (871, 22604), (1742, 11302), (3484, 5651)]