1990679932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1\times {\mathrm{479}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 3709440000

約数和(自身を除く): 1718760068

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 367, 479, 596, 734, 958, 1468, 1916, 2831, 5662, 6973, 9101, 11324, 13946, 18202, 27892, 36404, 54683, 71371, 109366, 142742, 175793, 218732, 285484, 351586, 703172, 1038977, 1356049, 2077954, 2712098, 3340067, 4155908, 5424196, 6680134, 13360268, 26193157, 52386314, 104772628, 497669983, 995339966, 1990679932]

約数ペア:

[(1, 1990679932), (2, 995339966), (4, 497669983), (19, 104772628), (38, 52386314), (76, 26193157), (149, 13360268), (298, 6680134), (367, 5424196), (479, 4155908), (596, 3340067), (734, 2712098), (958, 2077954), (1468, 1356049), (1916, 1038977), (2831, 703172), (5662, 351586), (6973, 285484), (9101, 218732), (11324, 175793), (13946, 142742), (18202, 109366), (27892, 71371), (36404, 54683)]