18692080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1931}}^1$

素因数の和:1966

約数の個数: 60

約数和(自身を含む): 47793816

約数和(自身を除く): 29101736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1931, 1936, 2420, 3862, 4840, 7724, 9655, 9680, 15448, 19310, 21241, 30896, 38620, 42482, 77240, 84964, 106205, 154480, 169928, 212410, 233651, 339856, 424820, 467302, 849640, 934604, 1168255, 1699280, 1869208, 2336510, 3738416, 4673020, 9346040, 18692080]

約数ペア:

[(1, 18692080), (2, 9346040), (4, 4673020), (5, 3738416), (8, 2336510), (10, 1869208), (11, 1699280), (16, 1168255), (20, 934604), (22, 849640), (40, 467302), (44, 424820), (55, 339856), (80, 233651), (88, 212410), (110, 169928), (121, 154480), (176, 106205), (220, 84964), (242, 77240), (440, 42482), (484, 38620), (605, 30896), (880, 21241), (968, 19310), (1210, 15448), (1931, 9680), (1936, 9655), (2420, 7724), (3862, 4840)]