19914000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3319}}^1$

素因数の和:3345

約数の個数: 80

約数和(自身を含む): 64222080

約数和(自身を除く): 44308080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3319, 6000, 6638, 9957, 13276, 16595, 19914, 26552, 33190, 39828, 49785, 53104, 66380, 79656, 82975, 99570, 132760, 159312, 165950, 199140, 248925, 265520, 331900, 398280, 414875, 497850, 663800, 796560, 829750, 995700, 1244625, 1327600, 1659500, 1991400, 2489250, 3319000, 3982800, 4978500, 6638000, 9957000, 19914000]

約数ペア:

[(1, 19914000), (2, 9957000), (3, 6638000), (4, 4978500), (5, 3982800), (6, 3319000), (8, 2489250), (10, 1991400), (12, 1659500), (15, 1327600), (16, 1244625), (20, 995700), (24, 829750), (25, 796560), (30, 663800), (40, 497850), (48, 414875), (50, 398280), (60, 331900), (75, 265520), (80, 248925), (100, 199140), (120, 165950), (125, 159312), (150, 132760), (200, 99570), (240, 82975), (250, 79656), (300, 66380), (375, 53104), (400, 49785), (500, 39828), (600, 33190), (750, 26552), (1000, 19914), (1200, 16595), (1500, 13276), (2000, 9957), (3000, 6638), (3319, 6000)]