18756936

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2153}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 55863990

約数和(自身を除く): 37107054

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2153, 2178, 2904, 4306, 4356, 6459, 8612, 8712, 12918, 17224, 19377, 23683, 25836, 38754, 47366, 51672, 71049, 77508, 94732, 142098, 155016, 189464, 213147, 260513, 284196, 426294, 521026, 568392, 781539, 852588, 1042052, 1563078, 1705176, 2084104, 2344617, 3126156, 4689234, 6252312, 9378468, 18756936]

約数ペア:

[(1, 18756936), (2, 9378468), (3, 6252312), (4, 4689234), (6, 3126156), (8, 2344617), (9, 2084104), (11, 1705176), (12, 1563078), (18, 1042052), (22, 852588), (24, 781539), (33, 568392), (36, 521026), (44, 426294), (66, 284196), (72, 260513), (88, 213147), (99, 189464), (121, 155016), (132, 142098), (198, 94732), (242, 77508), (264, 71049), (363, 51672), (396, 47366), (484, 38754), (726, 25836), (792, 23683), (968, 19377), (1089, 17224), (1452, 12918), (2153, 8712), (2178, 8612), (2904, 6459), (4306, 4356)]