19805400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11003}}^1$

素因数の和:11025

約数の個数: 72

約数和(自身を含む): 66519180

約数和(自身を除く): 46713780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11003, 22006, 33009, 44012, 55015, 66018, 88024, 99027, 110030, 132036, 165045, 198054, 220060, 264072, 275075, 330090, 396108, 440120, 495135, 550150, 660180, 792216, 825225, 990270, 1100300, 1320360, 1650450, 1980540, 2200600, 2475675, 3300900, 3961080, 4951350, 6601800, 9902700, 19805400]

約数ペア:

[(1, 19805400), (2, 9902700), (3, 6601800), (4, 4951350), (5, 3961080), (6, 3300900), (8, 2475675), (9, 2200600), (10, 1980540), (12, 1650450), (15, 1320360), (18, 1100300), (20, 990270), (24, 825225), (25, 792216), (30, 660180), (36, 550150), (40, 495135), (45, 440120), (50, 396108), (60, 330090), (72, 275075), (75, 264072), (90, 220060), (100, 198054), (120, 165045), (150, 132036), (180, 110030), (200, 99027), (225, 88024), (300, 66018), (360, 55015), (450, 44012), (600, 33009), (900, 22006), (1800, 11003)]