18625149

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 30888000

約数和(自身を除く): 12262851

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 149, 153, 171, 323, 387, 447, 731, 817, 969, 1341, 2193, 2451, 2533, 2831, 2907, 6407, 6579, 7353, 7599, 8493, 13889, 19221, 22797, 25479, 41667, 48127, 57663, 108919, 121733, 125001, 144381, 326757, 365199, 433143, 980271, 1095597, 2069461, 6208383, 18625149]

約数ペア:

[(1, 18625149), (3, 6208383), (9, 2069461), (17, 1095597), (19, 980271), (43, 433143), (51, 365199), (57, 326757), (129, 144381), (149, 125001), (153, 121733), (171, 108919), (323, 57663), (387, 48127), (447, 41667), (731, 25479), (817, 22797), (969, 19221), (1341, 13889), (2193, 8493), (2451, 7599), (2533, 7353), (2831, 6579), (2907, 6407)]