18619236

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 31175964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 113, 138, 199, 207, 226, 276, 339, 398, 414, 452, 597, 678, 796, 828, 1017, 1194, 1356, 1791, 2034, 2388, 2599, 3582, 4068, 4577, 5198, 7164, 7797, 9154, 10396, 13731, 15594, 18308, 22487, 23391, 27462, 31188, 41193, 44974, 46782, 54924, 67461, 82386, 89948, 93564, 134922, 164772, 202383, 269844, 404766, 517201, 809532, 1034402, 1551603, 2068804, 3103206, 4654809, 6206412, 9309618, 18619236]

約数ペア:

[(1, 18619236), (2, 9309618), (3, 6206412), (4, 4654809), (6, 3103206), (9, 2068804), (12, 1551603), (18, 1034402), (23, 809532), (36, 517201), (46, 404766), (69, 269844), (92, 202383), (113, 164772), (138, 134922), (199, 93564), (207, 89948), (226, 82386), (276, 67461), (339, 54924), (398, 46782), (414, 44974), (452, 41193), (597, 31188), (678, 27462), (796, 23391), (828, 22487), (1017, 18308), (1194, 15594), (1356, 13731), (1791, 10396), (2034, 9154), (2388, 7797), (2599, 7164), (3582, 5198), (4068, 4577)]