19203840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1694

約数の個数: 108

約数和(自身を含む): 66483144

約数和(自身を除く): 47279304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1667, 1920, 2304, 2880, 3334, 3840, 5001, 5760, 6668, 8335, 10002, 11520, 13336, 15003, 16670, 20004, 25005, 26672, 30006, 33340, 40008, 50010, 53344, 60012, 66680, 75015, 80016, 100020, 106688, 120024, 133360, 150030, 160032, 200040, 213376, 240048, 266720, 300060, 320064, 400080, 426752, 480096, 533440, 600120, 640128, 800160, 960192, 1066880, 1200240, 1280256, 1600320, 1920384, 2133760, 2400480, 3200640, 3840768, 4800960, 6401280, 9601920, 19203840]

約数ペア:

[(1, 19203840), (2, 9601920), (3, 6401280), (4, 4800960), (5, 3840768), (6, 3200640), (8, 2400480), (9, 2133760), (10, 1920384), (12, 1600320), (15, 1280256), (16, 1200240), (18, 1066880), (20, 960192), (24, 800160), (30, 640128), (32, 600120), (36, 533440), (40, 480096), (45, 426752), (48, 400080), (60, 320064), (64, 300060), (72, 266720), (80, 240048), (90, 213376), (96, 200040), (120, 160032), (128, 150030), (144, 133360), (160, 120024), (180, 106688), (192, 100020), (240, 80016), (256, 75015), (288, 66680), (320, 60012), (360, 53344), (384, 50010), (480, 40008), (576, 33340), (640, 30006), (720, 26672), (768, 25005), (960, 20004), (1152, 16670), (1280, 15003), (1440, 13336), (1667, 11520), (1920, 10002), (2304, 8335), (2880, 6668), (3334, 5760), (3840, 5001)]