19303900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 54996480

約数和(自身を除く): 35692580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 50, 55, 70, 77, 92, 100, 109, 110, 115, 140, 154, 161, 175, 218, 220, 230, 253, 275, 308, 322, 350, 385, 436, 460, 506, 545, 550, 575, 644, 700, 763, 770, 805, 1012, 1090, 1100, 1150, 1199, 1265, 1526, 1540, 1610, 1771, 1925, 2180, 2300, 2398, 2507, 2530, 2725, 3052, 3220, 3542, 3815, 3850, 4025, 4796, 5014, 5060, 5450, 5995, 6325, 7084, 7630, 7700, 8050, 8393, 8855, 10028, 10900, 11990, 12535, 12650, 15260, 16100, 16786, 17549, 17710, 19075, 23980, 25070, 25300, 27577, 29975, 33572, 35098, 35420, 38150, 41965, 44275, 50140, 55154, 59950, 62675, 70196, 76300, 83930, 87745, 88550, 110308, 119900, 125350, 137885, 167860, 175490, 177100, 193039, 209825, 250700, 275770, 350980, 386078, 419650, 438725, 551540, 689425, 772156, 839300, 877450, 965195, 1378850, 1754900, 1930390, 2757700, 3860780, 4825975, 9651950, 19303900]

約数ペア:

[(1, 19303900), (2, 9651950), (4, 4825975), (5, 3860780), (7, 2757700), (10, 1930390), (11, 1754900), (14, 1378850), (20, 965195), (22, 877450), (23, 839300), (25, 772156), (28, 689425), (35, 551540), (44, 438725), (46, 419650), (50, 386078), (55, 350980), (70, 275770), (77, 250700), (92, 209825), (100, 193039), (109, 177100), (110, 175490), (115, 167860), (140, 137885), (154, 125350), (161, 119900), (175, 110308), (218, 88550), (220, 87745), (230, 83930), (253, 76300), (275, 70196), (308, 62675), (322, 59950), (350, 55154), (385, 50140), (436, 44275), (460, 41965), (506, 38150), (545, 35420), (550, 35098), (575, 33572), (644, 29975), (700, 27577), (763, 25300), (770, 25070), (805, 23980), (1012, 19075), (1090, 17710), (1100, 17549), (1150, 16786), (1199, 16100), (1265, 15260), (1526, 12650), (1540, 12535), (1610, 11990), (1771, 10900), (1925, 10028), (2180, 8855), (2300, 8393), (2398, 8050), (2507, 7700), (2530, 7630), (2725, 7084), (3052, 6325), (3220, 5995), (3542, 5450), (3815, 5060), (3850, 5014), (4025, 4796)]