19969576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1523}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 41148000

約数和(自身を除く): 21178424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1523, 1639, 3046, 3278, 6092, 6556, 12184, 13112, 16753, 33506, 67012, 134024, 226927, 453854, 907708, 1815416, 2496197, 4992394, 9984788, 19969576]

約数ペア:

[(1, 19969576), (2, 9984788), (4, 4992394), (8, 2496197), (11, 1815416), (22, 907708), (44, 453854), (88, 226927), (149, 134024), (298, 67012), (596, 33506), (1192, 16753), (1523, 13112), (1639, 12184), (3046, 6556), (3278, 6092)]