19452512

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 39961152

約数和(自身を除く): 20508640

約数列:

[1, 2, 4, 8, 16, 32, 43, 67, 86, 134, 172, 211, 268, 344, 422, 536, 688, 844, 1072, 1376, 1688, 2144, 2881, 3376, 5762, 6752, 9073, 11524, 14137, 18146, 23048, 28274, 36292, 46096, 56548, 72584, 92192, 113096, 145168, 226192, 290336, 452384, 607891, 1215782, 2431564, 4863128, 9726256, 19452512]

約数ペア:

[(1, 19452512), (2, 9726256), (4, 4863128), (8, 2431564), (16, 1215782), (32, 607891), (43, 452384), (67, 290336), (86, 226192), (134, 145168), (172, 113096), (211, 92192), (268, 72584), (344, 56548), (422, 46096), (536, 36292), (688, 28274), (844, 23048), (1072, 18146), (1376, 14137), (1688, 11524), (2144, 9073), (2881, 6752), (3376, 5762)]