18776484

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 50654240

約数和(自身を除く): 31877756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 283, 291, 342, 388, 566, 582, 684, 849, 873, 1132, 1164, 1698, 1746, 1843, 2547, 3396, 3492, 3686, 5094, 5377, 5529, 7372, 10188, 10754, 11058, 16131, 16587, 21508, 22116, 27451, 32262, 33174, 48393, 54902, 64524, 66348, 82353, 96786, 109804, 164706, 193572, 247059, 329412, 494118, 521569, 988236, 1043138, 1564707, 2086276, 3129414, 4694121, 6258828, 9388242, 18776484]

約数ペア:

[(1, 18776484), (2, 9388242), (3, 6258828), (4, 4694121), (6, 3129414), (9, 2086276), (12, 1564707), (18, 1043138), (19, 988236), (36, 521569), (38, 494118), (57, 329412), (76, 247059), (97, 193572), (114, 164706), (171, 109804), (194, 96786), (228, 82353), (283, 66348), (291, 64524), (342, 54902), (388, 48393), (566, 33174), (582, 32262), (684, 27451), (849, 22116), (873, 21508), (1132, 16587), (1164, 16131), (1698, 11058), (1746, 10754), (1843, 10188), (2547, 7372), (3396, 5529), (3492, 5377), (3686, 5094)]