18087228

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^2\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 54

約数和(自身を含む): 47117616

約数和(自身を除く): 29030388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 367, 444, 666, 734, 1101, 1332, 1369, 1468, 2202, 2738, 3303, 4107, 4404, 5476, 6606, 8214, 12321, 13212, 13579, 16428, 24642, 27158, 40737, 49284, 54316, 81474, 122211, 162948, 244422, 488844, 502423, 1004846, 1507269, 2009692, 3014538, 4521807, 6029076, 9043614, 18087228]

約数ペア:

[(1, 18087228), (2, 9043614), (3, 6029076), (4, 4521807), (6, 3014538), (9, 2009692), (12, 1507269), (18, 1004846), (36, 502423), (37, 488844), (74, 244422), (111, 162948), (148, 122211), (222, 81474), (333, 54316), (367, 49284), (444, 40737), (666, 27158), (734, 24642), (1101, 16428), (1332, 13579), (1369, 13212), (1468, 12321), (2202, 8214), (2738, 6606), (3303, 5476), (4107, 4404)]