19754578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4241}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 31611384

約数和(自身を除く): 11856806

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4241, 4658, 8482, 72097, 144194, 581017, 1162034, 9877289, 19754578]

約数ペア:

[(1, 19754578), (2, 9877289), (17, 1162034), (34, 581017), (137, 144194), (274, 72097), (2329, 8482), (4241, 4658)]