19509812

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2411}}^1$

素因数の和:2456

約数の個数: 36

約数和(自身を含む): 41467104

約数和(自身を除く): 21957292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2411, 4046, 4822, 8092, 9644, 16877, 33754, 40987, 67508, 81974, 163948, 286909, 573818, 696779, 1147636, 1393558, 2787116, 4877453, 9754906, 19509812]

約数ペア:

[(1, 19509812), (2, 9754906), (4, 4877453), (7, 2787116), (14, 1393558), (17, 1147636), (28, 696779), (34, 573818), (68, 286909), (119, 163948), (238, 81974), (289, 67508), (476, 40987), (578, 33754), (1156, 16877), (2023, 9644), (2411, 8092), (4046, 4822)]