18085500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4019}}^1$

素因数の和:4044

約数の個数: 72

約数和(自身を含む): 57067920

約数和(自身を除く): 38982420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4019, 4500, 8038, 12057, 16076, 20095, 24114, 36171, 40190, 48228, 60285, 72342, 80380, 100475, 120570, 144684, 180855, 200950, 241140, 301425, 361710, 401900, 502375, 602850, 723420, 904275, 1004750, 1205700, 1507125, 1808550, 2009500, 3014250, 3617100, 4521375, 6028500, 9042750, 18085500]

約数ペア:

[(1, 18085500), (2, 9042750), (3, 6028500), (4, 4521375), (5, 3617100), (6, 3014250), (9, 2009500), (10, 1808550), (12, 1507125), (15, 1205700), (18, 1004750), (20, 904275), (25, 723420), (30, 602850), (36, 502375), (45, 401900), (50, 361710), (60, 301425), (75, 241140), (90, 200950), (100, 180855), (125, 144684), (150, 120570), (180, 100475), (225, 80380), (250, 72342), (300, 60285), (375, 48228), (450, 40190), (500, 36171), (750, 24114), (900, 20095), (1125, 16076), (1500, 12057), (2250, 8038), (4019, 4500)]