19854000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{1103}}^1$

素因数の和:1132

約数の個数: 120

約数和(自身を含む): 69406272

約数和(自身を除く): 49552272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1103, 1125, 1200, 1500, 1800, 2000, 2206, 2250, 3000, 3309, 3600, 4412, 4500, 5515, 6000, 6618, 8824, 9000, 9927, 11030, 13236, 16545, 17648, 18000, 19854, 22060, 26472, 27575, 33090, 39708, 44120, 49635, 52944, 55150, 66180, 79416, 82725, 88240, 99270, 110300, 132360, 137875, 158832, 165450, 198540, 220600, 248175, 264720, 275750, 330900, 397080, 413625, 441200, 496350, 551500, 661800, 794160, 827250, 992700, 1103000, 1240875, 1323600, 1654500, 1985400, 2206000, 2481750, 3309000, 3970800, 4963500, 6618000, 9927000, 19854000]

約数ペア:

[(1, 19854000), (2, 9927000), (3, 6618000), (4, 4963500), (5, 3970800), (6, 3309000), (8, 2481750), (9, 2206000), (10, 1985400), (12, 1654500), (15, 1323600), (16, 1240875), (18, 1103000), (20, 992700), (24, 827250), (25, 794160), (30, 661800), (36, 551500), (40, 496350), (45, 441200), (48, 413625), (50, 397080), (60, 330900), (72, 275750), (75, 264720), (80, 248175), (90, 220600), (100, 198540), (120, 165450), (125, 158832), (144, 137875), (150, 132360), (180, 110300), (200, 99270), (225, 88240), (240, 82725), (250, 79416), (300, 66180), (360, 55150), (375, 52944), (400, 49635), (450, 44120), (500, 39708), (600, 33090), (720, 27575), (750, 26472), (900, 22060), (1000, 19854), (1103, 18000), (1125, 17648), (1200, 16545), (1500, 13236), (1800, 11030), (2000, 9927), (2206, 9000), (2250, 8824), (3000, 6618), (3309, 6000), (3600, 5515), (4412, 4500)]