18163980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33637}}^1$

素因数の和:33655

約数の個数: 48

約数和(自身を含む): 56511840

約数和(自身を除く): 38347860

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, 33637, 67274, 100911, 134548, 168185, 201822, 302733, 336370, 403644, 504555, 605466, 672740, 908199, 1009110, 1210932, 1513665, 1816398, 2018220, 3027330, 3632796, 4540995, 6054660, 9081990, 18163980]

約数ペア:

[(1, 18163980), (2, 9081990), (3, 6054660), (4, 4540995), (5, 3632796), (6, 3027330), (9, 2018220), (10, 1816398), (12, 1513665), (15, 1210932), (18, 1009110), (20, 908199), (27, 672740), (30, 605466), (36, 504555), (45, 403644), (54, 336370), (60, 302733), (90, 201822), (108, 168185), (135, 134548), (180, 100911), (270, 67274), (540, 33637)]