19974156928

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{489179}}^1$

素因数の和:489233

約数の個数: 64

約数和(自身を含む): 44906724000

約数和(自身を除く): 24932567072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 464, 638, 704, 928, 1276, 1408, 1856, 2552, 3712, 5104, 10208, 20416, 40832, 489179, 978358, 1956716, 3913432, 5380969, 7826864, 10761938, 14186191, 15653728, 21523876, 28372382, 31307456, 43047752, 56744764, 62614912, 86095504, 113489528, 156048101, 172191008, 226979056, 312096202, 344382016, 453958112, 624192404, 688764032, 907916224, 1248384808, 1815832448, 2496769616, 4993539232, 9987078464, 19974156928]

約数ペア:

[(1, 19974156928), (2, 9987078464), (4, 4993539232), (8, 2496769616), (11, 1815832448), (16, 1248384808), (22, 907916224), (29, 688764032), (32, 624192404), (44, 453958112), (58, 344382016), (64, 312096202), (88, 226979056), (116, 172191008), (128, 156048101), (176, 113489528), (232, 86095504), (319, 62614912), (352, 56744764), (464, 43047752), (638, 31307456), (704, 28372382), (928, 21523876), (1276, 15653728), (1408, 14186191), (1856, 10761938), (2552, 7826864), (3712, 5380969), (5104, 3913432), (10208, 1956716), (20416, 978358), (40832, 489179)]