19774755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 26351325

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 143, 165, 195, 231, 273, 315, 385, 429, 439, 455, 495, 585, 693, 715, 819, 1001, 1155, 1287, 1317, 1365, 2145, 2195, 3003, 3073, 3465, 3951, 4095, 4829, 5005, 5707, 6435, 6585, 9009, 9219, 14487, 15015, 15365, 17121, 19755, 24145, 27657, 28535, 33803, 39949, 43461, 45045, 46095, 51363, 62777, 72435, 85605, 101409, 119847, 138285, 169015, 188331, 199745, 217305, 256815, 304227, 313885, 359541, 439439, 507045, 564993, 599235, 941655, 1318317, 1521135, 1797705, 2197195, 2824965, 3954951, 6591585, 19774755]

約数ペア:

[(1, 19774755), (3, 6591585), (5, 3954951), (7, 2824965), (9, 2197195), (11, 1797705), (13, 1521135), (15, 1318317), (21, 941655), (33, 599235), (35, 564993), (39, 507045), (45, 439439), (55, 359541), (63, 313885), (65, 304227), (77, 256815), (91, 217305), (99, 199745), (105, 188331), (117, 169015), (143, 138285), (165, 119847), (195, 101409), (231, 85605), (273, 72435), (315, 62777), (385, 51363), (429, 46095), (439, 45045), (455, 43461), (495, 39949), (585, 33803), (693, 28535), (715, 27657), (819, 24145), (1001, 19755), (1155, 17121), (1287, 15365), (1317, 15015), (1365, 14487), (2145, 9219), (2195, 9009), (3003, 6585), (3073, 6435), (3465, 5707), (3951, 5005), (4095, 4829)]