19850586

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 26688774

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 251, 269, 294, 502, 538, 753, 807, 1506, 1614, 1757, 1883, 3514, 3766, 5271, 5649, 10542, 11298, 12299, 13181, 24598, 26362, 36897, 39543, 67519, 73794, 79086, 135038, 202557, 405114, 472633, 945266, 1417899, 2835798, 3308431, 6616862, 9925293, 19850586]

約数ペア:

[(1, 19850586), (2, 9925293), (3, 6616862), (6, 3308431), (7, 2835798), (14, 1417899), (21, 945266), (42, 472633), (49, 405114), (98, 202557), (147, 135038), (251, 79086), (269, 73794), (294, 67519), (502, 39543), (538, 36897), (753, 26362), (807, 24598), (1506, 13181), (1614, 12299), (1757, 11298), (1883, 10542), (3514, 5649), (3766, 5271)]