18020270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 34587648

約数和(自身を除く): 16567378

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1667, 2162, 3334, 5405, 8335, 10810, 16670, 38341, 76682, 78349, 156698, 191705, 383410, 391745, 783490, 1802027, 3604054, 9010135, 18020270]

約数ペア:

[(1, 18020270), (2, 9010135), (5, 3604054), (10, 1802027), (23, 783490), (46, 391745), (47, 383410), (94, 191705), (115, 156698), (230, 78349), (235, 76682), (470, 38341), (1081, 16670), (1667, 10810), (2162, 8335), (3334, 5405)]