18490317

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1847}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 7056435

約数列:

[1, 3, 47, 71, 141, 213, 1847, 3337, 5541, 10011, 86809, 131137, 260427, 393411, 6163439, 18490317]

約数ペア:

[(1, 18490317), (3, 6163439), (47, 393411), (71, 260427), (141, 131137), (213, 86809), (1847, 10011), (3337, 5541)]