16191905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2776

約数の個数: 16

約数和(自身を含む): 20870784

約数和(自身を除く): 4678879

約数列:

[1, 5, 17, 71, 85, 355, 1207, 2683, 6035, 13415, 45611, 190493, 228055, 952465, 3238381, 16191905]

約数ペア:

[(1, 16191905), (5, 3238381), (17, 952465), (71, 228055), (85, 190493), (355, 45611), (1207, 13415), (2683, 6035)]