19427400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 67026960

約数和(自身を除く): 47599560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 251, 258, 300, 344, 360, 387, 430, 450, 502, 516, 600, 645, 753, 774, 860, 900, 1004, 1032, 1075, 1255, 1290, 1506, 1548, 1720, 1800, 1935, 2008, 2150, 2259, 2510, 2580, 3012, 3096, 3225, 3765, 3870, 4300, 4518, 5020, 5160, 6024, 6275, 6450, 7530, 7740, 8600, 9036, 9675, 10040, 10793, 11295, 12550, 12900, 15060, 15480, 18072, 18825, 19350, 21586, 22590, 25100, 25800, 30120, 32379, 37650, 38700, 43172, 45180, 50200, 53965, 56475, 64758, 75300, 77400, 86344, 90360, 97137, 107930, 112950, 129516, 150600, 161895, 194274, 215860, 225900, 259032, 269825, 323790, 388548, 431720, 451800, 485685, 539650, 647580, 777096, 809475, 971370, 1079300, 1295160, 1618950, 1942740, 2158600, 2428425, 3237900, 3885480, 4856850, 6475800, 9713700, 19427400]

約数ペア:

[(1, 19427400), (2, 9713700), (3, 6475800), (4, 4856850), (5, 3885480), (6, 3237900), (8, 2428425), (9, 2158600), (10, 1942740), (12, 1618950), (15, 1295160), (18, 1079300), (20, 971370), (24, 809475), (25, 777096), (30, 647580), (36, 539650), (40, 485685), (43, 451800), (45, 431720), (50, 388548), (60, 323790), (72, 269825), (75, 259032), (86, 225900), (90, 215860), (100, 194274), (120, 161895), (129, 150600), (150, 129516), (172, 112950), (180, 107930), (200, 97137), (215, 90360), (225, 86344), (251, 77400), (258, 75300), (300, 64758), (344, 56475), (360, 53965), (387, 50200), (430, 45180), (450, 43172), (502, 38700), (516, 37650), (600, 32379), (645, 30120), (753, 25800), (774, 25100), (860, 22590), (900, 21586), (1004, 19350), (1032, 18825), (1075, 18072), (1255, 15480), (1290, 15060), (1506, 12900), (1548, 12550), (1720, 11295), (1800, 10793), (1935, 10040), (2008, 9675), (2150, 9036), (2259, 8600), (2510, 7740), (2580, 7530), (3012, 6450), (3096, 6275), (3225, 6024), (3765, 5160), (3870, 5020), (4300, 4518)]