2018201554420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1\times {\mathrm{753437}}^1$

素因数の和:755512

約数の個数: 48

約数和(自身を含む): 4303637856000

約数和(自身を除く): 2285436301580

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1999, 3998, 7996, 9995, 19990, 39980, 133933, 267866, 535732, 669665, 753437, 1339330, 1506874, 2678660, 3013748, 3767185, 7534370, 15068740, 50480279, 100960558, 201921116, 252401395, 504802790, 1009605580, 1506120563, 3012241126, 6024482252, 7530602815, 15061205630, 30122411260, 100910077721, 201820155442, 403640310884, 504550388605, 1009100777210, 2018201554420]

約数ペア:

[(1, 2018201554420), (2, 1009100777210), (4, 504550388605), (5, 403640310884), (10, 201820155442), (20, 100910077721), (67, 30122411260), (134, 15061205630), (268, 7530602815), (335, 6024482252), (670, 3012241126), (1340, 1506120563), (1999, 1009605580), (3998, 504802790), (7996, 252401395), (9995, 201921116), (19990, 100960558), (39980, 50480279), (133933, 15068740), (267866, 7534370), (535732, 3767185), (669665, 3013748), (753437, 2678660), (1339330, 1506874)]