18645520

素因数分解:

$2^4\times 5^1\times {\mathrm{233069}}^1$

素因数の和:233082

約数の個数: 20

約数和(自身を含む): 43351020

約数和(自身を除く): 24705500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233069, 466138, 932276, 1165345, 1864552, 2330690, 3729104, 4661380, 9322760, 18645520]

約数ペア:

[(1, 18645520), (2, 9322760), (4, 4661380), (5, 3729104), (8, 2330690), (10, 1864552), (16, 1165345), (20, 932276), (40, 466138), (80, 233069)]