19010868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 28029132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 199, 228, 398, 419, 597, 796, 838, 1194, 1257, 1676, 2388, 2514, 3781, 5028, 7562, 7961, 11343, 15124, 15922, 22686, 23883, 31844, 45372, 47766, 83381, 95532, 166762, 250143, 333524, 500286, 1000572, 1584239, 3168478, 4752717, 6336956, 9505434, 19010868]

約数ペア:

[(1, 19010868), (2, 9505434), (3, 6336956), (4, 4752717), (6, 3168478), (12, 1584239), (19, 1000572), (38, 500286), (57, 333524), (76, 250143), (114, 166762), (199, 95532), (228, 83381), (398, 47766), (419, 45372), (597, 31844), (796, 23883), (838, 22686), (1194, 15922), (1257, 15124), (1676, 11343), (2388, 7961), (2514, 7562), (3781, 5028)]