18160471

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 22634496

約数和(自身を除く): 4474025

約数列:

[1, 7, 17, 47, 119, 191, 289, 329, 799, 1337, 2023, 3247, 5593, 8977, 13583, 22729, 55199, 62839, 95081, 152609, 386393, 1068263, 2594353, 18160471]

約数ペア:

[(1, 18160471), (7, 2594353), (17, 1068263), (47, 386393), (119, 152609), (191, 95081), (289, 62839), (329, 55199), (799, 22729), (1337, 13583), (2023, 8977), (3247, 5593)]