2018063960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{106663}}^1$

素因数の和:106728

約数の個数: 64

約数和(自身を含む): 5068673280

約数和(自身を除く): 3050609320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 106663, 213326, 426652, 533315, 853304, 1066630, 1173293, 2133260, 2346586, 4266520, 4586509, 4693172, 5866465, 9173018, 9386344, 11732930, 18346036, 22932545, 23465860, 36692072, 45865090, 46931720, 50451599, 91730180, 100903198, 183460360, 201806396, 252257995, 403612792, 504515990, 1009031980, 2018063960]

約数ペア:

[(1, 2018063960), (2, 1009031980), (4, 504515990), (5, 403612792), (8, 252257995), (10, 201806396), (11, 183460360), (20, 100903198), (22, 91730180), (40, 50451599), (43, 46931720), (44, 45865090), (55, 36692072), (86, 23465860), (88, 22932545), (110, 18346036), (172, 11732930), (215, 9386344), (220, 9173018), (344, 5866465), (430, 4693172), (440, 4586509), (473, 4266520), (860, 2346586), (946, 2133260), (1720, 1173293), (1892, 1066630), (2365, 853304), (3784, 533315), (4730, 426652), (9460, 213326), (18920, 106663)]