18965254

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 36747216

約数和(自身を除く): 17781962

約数列:

[1, 2, 7, 11, 14, 22, 49, 73, 77, 98, 146, 154, 241, 482, 511, 539, 803, 1022, 1078, 1606, 1687, 2651, 3374, 3577, 5302, 5621, 7154, 11242, 11809, 17593, 18557, 23618, 35186, 37114, 39347, 78694, 123151, 129899, 193523, 246302, 259798, 387046, 862057, 1354661, 1724114, 2709322, 9482627, 18965254]

約数ペア:

[(1, 18965254), (2, 9482627), (7, 2709322), (11, 1724114), (14, 1354661), (22, 862057), (49, 387046), (73, 259798), (77, 246302), (98, 193523), (146, 129899), (154, 123151), (241, 78694), (482, 39347), (511, 37114), (539, 35186), (803, 23618), (1022, 18557), (1078, 17593), (1606, 11809), (1687, 11242), (2651, 7154), (3374, 5621), (3577, 5302)]