19810746

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 45969768

約数和(自身を除く): 26159022

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 101, 102, 153, 202, 303, 306, 606, 641, 909, 1282, 1717, 1818, 1923, 3434, 3846, 5151, 5769, 10302, 10897, 11538, 15453, 21794, 30906, 32691, 64741, 65382, 98073, 129482, 194223, 196146, 388446, 582669, 1100597, 1165338, 2201194, 3301791, 6603582, 9905373, 19810746]

約数ペア:

[(1, 19810746), (2, 9905373), (3, 6603582), (6, 3301791), (9, 2201194), (17, 1165338), (18, 1100597), (34, 582669), (51, 388446), (101, 196146), (102, 194223), (153, 129482), (202, 98073), (303, 65382), (306, 64741), (606, 32691), (641, 30906), (909, 21794), (1282, 15453), (1717, 11538), (1818, 10897), (1923, 10302), (3434, 5769), (3846, 5151)]