19530342

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 28369818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 647, 702, 774, 1118, 1161, 1294, 1677, 1941, 2322, 3354, 3882, 5031, 5823, 8411, 10062, 11646, 15093, 16822, 17469, 25233, 27821, 30186, 34938, 50466, 55642, 75699, 83463, 151398, 166926, 227097, 250389, 361673, 454194, 500778, 723346, 751167, 1085019, 1502334, 2170038, 3255057, 6510114, 9765171, 19530342]

約数ペア:

[(1, 19530342), (2, 9765171), (3, 6510114), (6, 3255057), (9, 2170038), (13, 1502334), (18, 1085019), (26, 751167), (27, 723346), (39, 500778), (43, 454194), (54, 361673), (78, 250389), (86, 227097), (117, 166926), (129, 151398), (234, 83463), (258, 75699), (351, 55642), (387, 50466), (559, 34938), (647, 30186), (702, 27821), (774, 25233), (1118, 17469), (1161, 16822), (1294, 15093), (1677, 11646), (1941, 10062), (2322, 8411), (3354, 5823), (3882, 5031)]