19650470

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 43804800

約数和(自身を除く): 24154330

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 337, 343, 490, 595, 674, 686, 833, 1190, 1666, 1685, 1715, 2359, 3370, 3430, 4165, 4718, 5729, 5831, 8330, 11458, 11662, 11795, 16513, 23590, 28645, 29155, 33026, 40103, 57290, 58310, 80206, 82565, 115591, 165130, 200515, 231182, 280721, 401030, 561442, 577955, 1155910, 1403605, 1965047, 2807210, 3930094, 9825235, 19650470]

約数ペア:

[(1, 19650470), (2, 9825235), (5, 3930094), (7, 2807210), (10, 1965047), (14, 1403605), (17, 1155910), (34, 577955), (35, 561442), (49, 401030), (70, 280721), (85, 231182), (98, 200515), (119, 165130), (170, 115591), (238, 82565), (245, 80206), (337, 58310), (343, 57290), (490, 40103), (595, 33026), (674, 29155), (686, 28645), (833, 23590), (1190, 16513), (1666, 11795), (1685, 11662), (1715, 11458), (2359, 8330), (3370, 5831), (3430, 5729), (4165, 4718)]