18980500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 56609280

約数和(自身を除く): 37628780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 29, 34, 35, 44, 50, 55, 58, 68, 70, 77, 85, 100, 110, 116, 119, 125, 140, 145, 154, 170, 175, 187, 203, 220, 238, 250, 275, 290, 308, 319, 340, 350, 374, 385, 406, 425, 476, 493, 500, 550, 580, 595, 638, 700, 725, 748, 770, 812, 850, 875, 935, 986, 1015, 1100, 1190, 1276, 1309, 1375, 1450, 1540, 1595, 1700, 1750, 1870, 1925, 1972, 2030, 2125, 2233, 2380, 2465, 2618, 2750, 2900, 2975, 3190, 3451, 3500, 3625, 3740, 3850, 4060, 4250, 4466, 4675, 4930, 5075, 5236, 5423, 5500, 5950, 6380, 6545, 6902, 7250, 7700, 7975, 8500, 8932, 9350, 9625, 9860, 10150, 10846, 11165, 11900, 12325, 13090, 13804, 14500, 14875, 15950, 17255, 18700, 19250, 20300, 21692, 22330, 23375, 24650, 25375, 26180, 27115, 29750, 31900, 32725, 34510, 37961, 38500, 39875, 44660, 46750, 49300, 50750, 54230, 55825, 59500, 61625, 65450, 69020, 75922, 79750, 86275, 93500, 101500, 108460, 111650, 123250, 130900, 135575, 151844, 159500, 163625, 172550, 189805, 223300, 246500, 271150, 279125, 327250, 345100, 379610, 431375, 542300, 558250, 654500, 677875, 759220, 862750, 949025, 1116500, 1355750, 1725500, 1898050, 2711500, 3796100, 4745125, 9490250, 18980500]

約数ペア:

[(1, 18980500), (2, 9490250), (4, 4745125), (5, 3796100), (7, 2711500), (10, 1898050), (11, 1725500), (14, 1355750), (17, 1116500), (20, 949025), (22, 862750), (25, 759220), (28, 677875), (29, 654500), (34, 558250), (35, 542300), (44, 431375), (50, 379610), (55, 345100), (58, 327250), (68, 279125), (70, 271150), (77, 246500), (85, 223300), (100, 189805), (110, 172550), (116, 163625), (119, 159500), (125, 151844), (140, 135575), (145, 130900), (154, 123250), (170, 111650), (175, 108460), (187, 101500), (203, 93500), (220, 86275), (238, 79750), (250, 75922), (275, 69020), (290, 65450), (308, 61625), (319, 59500), (340, 55825), (350, 54230), (374, 50750), (385, 49300), (406, 46750), (425, 44660), (476, 39875), (493, 38500), (500, 37961), (550, 34510), (580, 32725), (595, 31900), (638, 29750), (700, 27115), (725, 26180), (748, 25375), (770, 24650), (812, 23375), (850, 22330), (875, 21692), (935, 20300), (986, 19250), (1015, 18700), (1100, 17255), (1190, 15950), (1276, 14875), (1309, 14500), (1375, 13804), (1450, 13090), (1540, 12325), (1595, 11900), (1700, 11165), (1750, 10846), (1870, 10150), (1925, 9860), (1972, 9625), (2030, 9350), (2125, 8932), (2233, 8500), (2380, 7975), (2465, 7700), (2618, 7250), (2750, 6902), (2900, 6545), (2975, 6380), (3190, 5950), (3451, 5500), (3500, 5423), (3625, 5236), (3740, 5075), (3850, 4930), (4060, 4675), (4250, 4466)]