19301968

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 45711360

約数和(自身を除く): 26409392

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 59, 92, 112, 118, 127, 161, 184, 236, 254, 322, 368, 413, 472, 508, 644, 826, 889, 944, 1016, 1288, 1357, 1652, 1778, 2032, 2576, 2714, 2921, 3304, 3556, 5428, 5842, 6608, 7112, 7493, 9499, 10856, 11684, 14224, 14986, 18998, 20447, 21712, 23368, 29972, 37996, 40894, 46736, 52451, 59944, 75992, 81788, 104902, 119888, 151984, 163576, 172339, 209804, 327152, 344678, 419608, 689356, 839216, 1206373, 1378712, 2412746, 2757424, 4825492, 9650984, 19301968]

約数ペア:

[(1, 19301968), (2, 9650984), (4, 4825492), (7, 2757424), (8, 2412746), (14, 1378712), (16, 1206373), (23, 839216), (28, 689356), (46, 419608), (56, 344678), (59, 327152), (92, 209804), (112, 172339), (118, 163576), (127, 151984), (161, 119888), (184, 104902), (236, 81788), (254, 75992), (322, 59944), (368, 52451), (413, 46736), (472, 40894), (508, 37996), (644, 29972), (826, 23368), (889, 21712), (944, 20447), (1016, 18998), (1288, 14986), (1357, 14224), (1652, 11684), (1778, 10856), (2032, 9499), (2576, 7493), (2714, 7112), (2921, 6608), (3304, 5842), (3556, 5428)]