18485500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3361}}^1$

素因数の和:3391

約数の個数: 48

約数和(自身を含む): 44055648

約数和(自身を除く): 25570148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 3361, 5500, 6722, 13444, 16805, 33610, 36971, 67220, 73942, 84025, 147884, 168050, 184855, 336100, 369710, 420125, 739420, 840250, 924275, 1680500, 1848550, 3697100, 4621375, 9242750, 18485500]

約数ペア:

[(1, 18485500), (2, 9242750), (4, 4621375), (5, 3697100), (10, 1848550), (11, 1680500), (20, 924275), (22, 840250), (25, 739420), (44, 420125), (50, 369710), (55, 336100), (100, 184855), (110, 168050), (125, 147884), (220, 84025), (250, 73942), (275, 67220), (500, 36971), (550, 33610), (1100, 16805), (1375, 13444), (2750, 6722), (3361, 5500)]