2018208520

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{53279}}^1$

素因数の和:54237

約数の個数: 32

約数和(自身を含む): 4545849600

約数和(自身を除く): 2527641080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3788, 4735, 7576, 9470, 18940, 37880, 53279, 106558, 213116, 266395, 426232, 532790, 1065580, 2131160, 50455213, 100910426, 201820852, 252276065, 403641704, 504552130, 1009104260, 2018208520]

約数ペア:

[(1, 2018208520), (2, 1009104260), (4, 504552130), (5, 403641704), (8, 252276065), (10, 201820852), (20, 100910426), (40, 50455213), (947, 2131160), (1894, 1065580), (3788, 532790), (4735, 426232), (7576, 266395), (9470, 213116), (18940, 106558), (37880, 53279)]