18045900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{20051}}^1$

素因数の和:20071

約数の個数: 54

約数和(自身を含む): 56566692

約数和(自身を除く): 38520792

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 20051, 40102, 60153, 80204, 100255, 120306, 180459, 200510, 240612, 300765, 360918, 401020, 501275, 601530, 721836, 902295, 1002550, 1203060, 1503825, 1804590, 2005100, 3007650, 3609180, 4511475, 6015300, 9022950, 18045900]

約数ペア:

[(1, 18045900), (2, 9022950), (3, 6015300), (4, 4511475), (5, 3609180), (6, 3007650), (9, 2005100), (10, 1804590), (12, 1503825), (15, 1203060), (18, 1002550), (20, 902295), (25, 721836), (30, 601530), (36, 501275), (45, 401020), (50, 360918), (60, 300765), (75, 240612), (90, 200510), (100, 180459), (150, 120306), (180, 100255), (225, 80204), (300, 60153), (450, 40102), (900, 20051)]