19956616

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67421}}^1$

素因数の和:67464

約数の個数: 16

約数和(自身を含む): 38430540

約数和(自身を除く): 18473924

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 67421, 134842, 269684, 539368, 2494577, 4989154, 9978308, 19956616]

約数ペア:

[(1, 19956616), (2, 9978308), (4, 4989154), (8, 2494577), (37, 539368), (74, 269684), (148, 134842), (296, 67421)]