18936035

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 23272704

約数和(自身を除く): 4336669

約数列:

[1, 5, 83, 103, 415, 443, 515, 2215, 8549, 36769, 42745, 45629, 183845, 228145, 3787207, 18936035]

約数ペア:

[(1, 18936035), (5, 3787207), (83, 228145), (103, 183845), (415, 45629), (443, 42745), (515, 36769), (2215, 8549)]