18699485

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 26756352

約数和(自身を除く): 8056867

約数列:

[1, 5, 7, 35, 41, 83, 157, 205, 287, 415, 581, 785, 1099, 1435, 2905, 3403, 5495, 6437, 13031, 17015, 23821, 32185, 45059, 65155, 91217, 119105, 225295, 456085, 534271, 2671355, 3739897, 18699485]

約数ペア:

[(1, 18699485), (5, 3739897), (7, 2671355), (35, 534271), (41, 456085), (83, 225295), (157, 119105), (205, 91217), (287, 65155), (415, 45059), (581, 32185), (785, 23821), (1099, 17015), (1435, 13031), (2905, 6437), (3403, 5495)]