18118135

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 26376192

約数和(自身を除く): 8258057

約数列:

[1, 5, 7, 23, 35, 71, 115, 161, 317, 355, 497, 805, 1585, 1633, 2219, 2485, 7291, 8165, 11095, 11431, 22507, 36455, 51037, 57155, 112535, 157549, 255185, 517661, 787745, 2588305, 3623627, 18118135]

約数ペア:

[(1, 18118135), (5, 3623627), (7, 2588305), (23, 787745), (35, 517661), (71, 255185), (115, 157549), (161, 112535), (317, 57155), (355, 51037), (497, 36455), (805, 22507), (1585, 11431), (1633, 11095), (2219, 8165), (2485, 7291)]