18361520

素因数分解:

$2^4\times 5^1\times {\mathrm{229519}}^1$

素因数の和:229532

約数の個数: 20

約数和(自身を含む): 42690720

約数和(自身を除く): 24329200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229519, 459038, 918076, 1147595, 1836152, 2295190, 3672304, 4590380, 9180760, 18361520]

約数ペア:

[(1, 18361520), (2, 9180760), (4, 4590380), (5, 3672304), (8, 2295190), (10, 1836152), (16, 1147595), (20, 918076), (40, 459038), (80, 229519)]