18037228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 36

約数和(自身を含む): 35191800

約数和(自身を除く): 17154572

約数列:

[1, 2, 4, 11, 22, 44, 83, 121, 166, 242, 332, 449, 484, 898, 913, 1796, 1826, 3652, 4939, 9878, 10043, 19756, 20086, 37267, 40172, 54329, 74534, 108658, 149068, 217316, 409937, 819874, 1639748, 4509307, 9018614, 18037228]

約数ペア:

[(1, 18037228), (2, 9018614), (4, 4509307), (11, 1639748), (22, 819874), (44, 409937), (83, 217316), (121, 149068), (166, 108658), (242, 74534), (332, 54329), (449, 40172), (484, 37267), (898, 20086), (913, 19756), (1796, 10043), (1826, 9878), (3652, 4939)]