18891660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1759}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 34330740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1759, 1790, 2148, 2685, 3518, 3580, 5277, 5370, 7036, 8795, 10554, 10740, 17590, 21108, 26385, 35180, 52770, 105540, 314861, 629722, 944583, 1259444, 1574305, 1889166, 3148610, 3778332, 4722915, 6297220, 9445830, 18891660]

約数ペア:

[(1, 18891660), (2, 9445830), (3, 6297220), (4, 4722915), (5, 3778332), (6, 3148610), (10, 1889166), (12, 1574305), (15, 1259444), (20, 944583), (30, 629722), (60, 314861), (179, 105540), (358, 52770), (537, 35180), (716, 26385), (895, 21108), (1074, 17590), (1759, 10740), (1790, 10554), (2148, 8795), (2685, 7036), (3518, 5370), (3580, 5277)]