18661860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4937}}^1$

素因数の和:4962

約数の個数: 96

約数和(自身を含む): 66366720

約数和(自身を除く): 47704860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4937, 9874, 14811, 19748, 24685, 29622, 34559, 44433, 49370, 59244, 69118, 74055, 88866, 98740, 103677, 133299, 138236, 148110, 172795, 177732, 207354, 222165, 266598, 296220, 311031, 345590, 414708, 444330, 518385, 533196, 622062, 666495, 691180, 888660, 933093, 1036770, 1244124, 1332990, 1555155, 1866186, 2073540, 2665980, 3110310, 3732372, 4665465, 6220620, 9330930, 18661860]

約数ペア:

[(1, 18661860), (2, 9330930), (3, 6220620), (4, 4665465), (5, 3732372), (6, 3110310), (7, 2665980), (9, 2073540), (10, 1866186), (12, 1555155), (14, 1332990), (15, 1244124), (18, 1036770), (20, 933093), (21, 888660), (27, 691180), (28, 666495), (30, 622062), (35, 533196), (36, 518385), (42, 444330), (45, 414708), (54, 345590), (60, 311031), (63, 296220), (70, 266598), (84, 222165), (90, 207354), (105, 177732), (108, 172795), (126, 148110), (135, 138236), (140, 133299), (180, 103677), (189, 98740), (210, 88866), (252, 74055), (270, 69118), (315, 59244), (378, 49370), (420, 44433), (540, 34559), (630, 29622), (756, 24685), (945, 19748), (1260, 14811), (1890, 9874), (3780, 4937)]