19687905071

素因数分解:

${\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{4133}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 21382437024

約数和(自身を除く): 1694531953

約数列:

[1, 17, 53, 289, 311, 901, 4133, 5287, 15317, 16483, 70261, 89879, 219049, 280211, 1194437, 1285363, 3723833, 4763587, 21851171, 63305161, 68124239, 371469907, 1158112063, 19687905071]

約数ペア:

[(1, 19687905071), (17, 1158112063), (53, 371469907), (289, 68124239), (311, 63305161), (901, 21851171), (4133, 4763587), (5287, 3723833), (15317, 1285363), (16483, 1194437), (70261, 280211), (89879, 219049)]