11947540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4937}}^1$

素因数の和:4968

約数の個数: 36

約数和(自身を含む): 27583668

約数和(自身を除く): 15636128

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 4937, 9874, 19748, 24685, 49370, 54307, 98740, 108614, 217228, 271535, 543070, 597377, 1086140, 1194754, 2389508, 2986885, 5973770, 11947540]

約数ペア:

[(1, 11947540), (2, 5973770), (4, 2986885), (5, 2389508), (10, 1194754), (11, 1086140), (20, 597377), (22, 543070), (44, 271535), (55, 217228), (110, 108614), (121, 98740), (220, 54307), (242, 49370), (484, 24685), (605, 19748), (1210, 9874), (2420, 4937)]