18286149

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 10615227

約数列:

[1, 3, 7, 21, 47, 97, 141, 191, 291, 329, 573, 679, 987, 1337, 2037, 4011, 4559, 8977, 13677, 18527, 26931, 31913, 55581, 62839, 95739, 129689, 188517, 389067, 870769, 2612307, 6095383, 18286149]

約数ペア:

[(1, 18286149), (3, 6095383), (7, 2612307), (21, 870769), (47, 389067), (97, 188517), (141, 129689), (191, 95739), (291, 62839), (329, 55581), (573, 31913), (679, 26931), (987, 18527), (1337, 13677), (2037, 8977), (4011, 4559)]