18005958

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 43863768

約数和(自身を除く): 25857810

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 163, 171, 306, 323, 326, 342, 361, 489, 646, 722, 969, 978, 1083, 1467, 1938, 2166, 2771, 2907, 2934, 3097, 3249, 5542, 5814, 6137, 6194, 6498, 8313, 9291, 12274, 16626, 18411, 18582, 24939, 27873, 36822, 49878, 52649, 55233, 55746, 58843, 105298, 110466, 117686, 157947, 176529, 315894, 353058, 473841, 529587, 947682, 1000331, 1059174, 2000662, 3000993, 6001986, 9002979, 18005958]

約数ペア:

[(1, 18005958), (2, 9002979), (3, 6001986), (6, 3000993), (9, 2000662), (17, 1059174), (18, 1000331), (19, 947682), (34, 529587), (38, 473841), (51, 353058), (57, 315894), (102, 176529), (114, 157947), (153, 117686), (163, 110466), (171, 105298), (306, 58843), (323, 55746), (326, 55233), (342, 52649), (361, 49878), (489, 36822), (646, 27873), (722, 24939), (969, 18582), (978, 18411), (1083, 16626), (1467, 12274), (1938, 9291), (2166, 8313), (2771, 6498), (2907, 6194), (2934, 6137), (3097, 5814), (3249, 5542)]