18946347

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 31030272

約数和(自身を除く): 12083925

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 727, 1241, 1533, 2181, 3723, 5089, 8687, 12359, 15267, 26061, 37077, 53071, 86513, 159213, 259539, 371497, 902207, 1114491, 2706621, 6315449, 18946347]

約数ペア:

[(1, 18946347), (3, 6315449), (7, 2706621), (17, 1114491), (21, 902207), (51, 371497), (73, 259539), (119, 159213), (219, 86513), (357, 53071), (511, 37077), (727, 26061), (1241, 15267), (1533, 12359), (2181, 8687), (3723, 5089)]