18342940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 49319424

約数和(自身を除く): 30976484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 277, 301, 308, 385, 430, 473, 554, 602, 770, 860, 946, 1108, 1204, 1385, 1505, 1540, 1892, 1939, 2365, 2770, 3010, 3047, 3311, 3878, 4730, 5540, 6020, 6094, 6622, 7756, 9460, 9695, 11911, 12188, 13244, 15235, 16555, 19390, 21329, 23822, 30470, 33110, 38780, 42658, 47644, 59555, 60940, 66220, 83377, 85316, 106645, 119110, 131021, 166754, 213290, 238220, 262042, 333508, 416885, 426580, 524084, 655105, 833770, 917147, 1310210, 1667540, 1834294, 2620420, 3668588, 4585735, 9171470, 18342940]

約数ペア:

[(1, 18342940), (2, 9171470), (4, 4585735), (5, 3668588), (7, 2620420), (10, 1834294), (11, 1667540), (14, 1310210), (20, 917147), (22, 833770), (28, 655105), (35, 524084), (43, 426580), (44, 416885), (55, 333508), (70, 262042), (77, 238220), (86, 213290), (110, 166754), (140, 131021), (154, 119110), (172, 106645), (215, 85316), (220, 83377), (277, 66220), (301, 60940), (308, 59555), (385, 47644), (430, 42658), (473, 38780), (554, 33110), (602, 30470), (770, 23822), (860, 21329), (946, 19390), (1108, 16555), (1204, 15235), (1385, 13244), (1505, 12188), (1540, 11911), (1892, 9695), (1939, 9460), (2365, 7756), (2770, 6622), (3010, 6094), (3047, 6020), (3311, 5540), (3878, 4730)]