19147500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 64816752

約数和(自身を除く): 45669252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 37, 45, 46, 50, 60, 69, 74, 75, 90, 92, 100, 111, 115, 125, 138, 148, 150, 180, 185, 207, 222, 225, 230, 250, 276, 300, 333, 345, 370, 375, 414, 444, 450, 460, 500, 555, 575, 625, 666, 690, 740, 750, 828, 851, 900, 925, 1035, 1110, 1125, 1150, 1250, 1332, 1380, 1500, 1665, 1702, 1725, 1850, 1875, 2070, 2220, 2250, 2300, 2500, 2553, 2775, 2875, 3330, 3404, 3450, 3700, 3750, 4140, 4255, 4500, 4625, 5106, 5175, 5550, 5625, 5750, 6660, 6900, 7500, 7659, 8325, 8510, 8625, 9250, 10212, 10350, 11100, 11250, 11500, 12765, 13875, 14375, 15318, 16650, 17020, 17250, 18500, 20700, 21275, 22500, 23125, 25530, 25875, 27750, 28750, 30636, 33300, 34500, 38295, 41625, 42550, 43125, 46250, 51060, 51750, 55500, 57500, 63825, 69375, 76590, 83250, 85100, 86250, 92500, 103500, 106375, 127650, 129375, 138750, 153180, 166500, 172500, 191475, 208125, 212750, 255300, 258750, 277500, 319125, 382950, 416250, 425500, 517500, 531875, 638250, 765900, 832500, 957375, 1063750, 1276500, 1595625, 1914750, 2127500, 3191250, 3829500, 4786875, 6382500, 9573750, 19147500]

約数ペア:

[(1, 19147500), (2, 9573750), (3, 6382500), (4, 4786875), (5, 3829500), (6, 3191250), (9, 2127500), (10, 1914750), (12, 1595625), (15, 1276500), (18, 1063750), (20, 957375), (23, 832500), (25, 765900), (30, 638250), (36, 531875), (37, 517500), (45, 425500), (46, 416250), (50, 382950), (60, 319125), (69, 277500), (74, 258750), (75, 255300), (90, 212750), (92, 208125), (100, 191475), (111, 172500), (115, 166500), (125, 153180), (138, 138750), (148, 129375), (150, 127650), (180, 106375), (185, 103500), (207, 92500), (222, 86250), (225, 85100), (230, 83250), (250, 76590), (276, 69375), (300, 63825), (333, 57500), (345, 55500), (370, 51750), (375, 51060), (414, 46250), (444, 43125), (450, 42550), (460, 41625), (500, 38295), (555, 34500), (575, 33300), (625, 30636), (666, 28750), (690, 27750), (740, 25875), (750, 25530), (828, 23125), (851, 22500), (900, 21275), (925, 20700), (1035, 18500), (1110, 17250), (1125, 17020), (1150, 16650), (1250, 15318), (1332, 14375), (1380, 13875), (1500, 12765), (1665, 11500), (1702, 11250), (1725, 11100), (1850, 10350), (1875, 10212), (2070, 9250), (2220, 8625), (2250, 8510), (2300, 8325), (2500, 7659), (2553, 7500), (2775, 6900), (2875, 6660), (3330, 5750), (3404, 5625), (3450, 5550), (3700, 5175), (3750, 5106), (4140, 4625), (4255, 4500)]