18830484

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 49850528

約数和(自身を除く): 31020044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 67, 74, 111, 134, 148, 201, 211, 222, 268, 333, 402, 422, 444, 603, 633, 666, 804, 844, 1206, 1266, 1332, 1899, 2412, 2479, 2532, 3798, 4958, 7437, 7596, 7807, 9916, 14137, 14874, 15614, 22311, 23421, 28274, 29748, 31228, 42411, 44622, 46842, 56548, 70263, 84822, 89244, 93684, 127233, 140526, 169644, 254466, 281052, 508932, 523069, 1046138, 1569207, 2092276, 3138414, 4707621, 6276828, 9415242, 18830484]

約数ペア:

[(1, 18830484), (2, 9415242), (3, 6276828), (4, 4707621), (6, 3138414), (9, 2092276), (12, 1569207), (18, 1046138), (36, 523069), (37, 508932), (67, 281052), (74, 254466), (111, 169644), (134, 140526), (148, 127233), (201, 93684), (211, 89244), (222, 84822), (268, 70263), (333, 56548), (402, 46842), (422, 44622), (444, 42411), (603, 31228), (633, 29748), (666, 28274), (804, 23421), (844, 22311), (1206, 15614), (1266, 14874), (1332, 14137), (1899, 9916), (2412, 7807), (2479, 7596), (2532, 7437), (3798, 4958)]