18205020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33713}}^1$

素因数の和:33731

約数の個数: 48

約数和(自身を含む): 56639520

約数和(自身を除く): 38434500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 33713, 67426, 101139, 134852, 168565, 202278, 303417, 337130, 404556, 505695, 606834, 674260, 910251, 1011390, 1213668, 1517085, 1820502, 2022780, 3034170, 3641004, 4551255, 6068340, 9102510, 18205020]

約数ペア:

[(1, 18205020), (2, 9102510), (3, 6068340), (4, 4551255), (5, 3641004), (6, 3034170), (9, 2022780), (10, 1820502), (12, 1517085), (15, 1213668), (18, 1011390), (20, 910251), (27, 674260), (30, 606834), (36, 505695), (45, 404556), (54, 337130), (60, 303417), (90, 202278), (108, 168565), (135, 134852), (180, 101139), (270, 67426), (540, 33713)]