19979896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 40065840

約数和(自身を除く): 20085944

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1373, 1819, 2746, 3638, 5492, 7276, 10984, 14552, 23341, 46682, 93364, 146911, 186728, 293822, 587644, 1175288, 2497487, 4994974, 9989948, 19979896]

約数ペア:

[(1, 19979896), (2, 9989948), (4, 4994974), (8, 2497487), (17, 1175288), (34, 587644), (68, 293822), (107, 186728), (136, 146911), (214, 93364), (428, 46682), (856, 23341), (1373, 14552), (1819, 10984), (2746, 7276), (3638, 5492)]