18486590

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{22273}}^1$

素因数の和:22363

約数の個数: 16

約数和(自身を含む): 33678288

約数和(自身を除く): 15191698

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 22273, 44546, 111365, 222730, 1848659, 3697318, 9243295, 18486590]

約数ペア:

[(1, 18486590), (2, 9243295), (5, 3697318), (10, 1848659), (83, 222730), (166, 111365), (415, 44546), (830, 22273)]