19660616

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 38231040

約数和(自身を除く): 18570424

約数列:

[1, 2, 4, 8, 37, 74, 127, 148, 254, 296, 508, 523, 1016, 1046, 2092, 4184, 4699, 9398, 18796, 19351, 37592, 38702, 66421, 77404, 132842, 154808, 265684, 531368, 2457577, 4915154, 9830308, 19660616]

約数ペア:

[(1, 19660616), (2, 9830308), (4, 4915154), (8, 2457577), (37, 531368), (74, 265684), (127, 154808), (148, 132842), (254, 77404), (296, 66421), (508, 38702), (523, 37592), (1016, 19351), (1046, 18796), (2092, 9398), (4184, 4699)]