19708290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 61621560

約数和(自身を除く): 41913270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 45, 49, 63, 70, 82, 90, 98, 105, 109, 123, 126, 147, 205, 210, 218, 245, 246, 287, 294, 315, 327, 369, 410, 441, 490, 545, 574, 615, 630, 654, 735, 738, 763, 861, 882, 981, 1090, 1230, 1435, 1470, 1526, 1635, 1722, 1845, 1962, 2009, 2205, 2289, 2583, 2870, 3270, 3690, 3815, 4018, 4305, 4410, 4469, 4578, 4905, 5166, 5341, 6027, 6867, 7630, 8610, 8938, 9810, 10045, 10682, 11445, 12054, 12915, 13407, 13734, 16023, 18081, 20090, 22345, 22890, 25830, 26705, 26814, 30135, 31283, 32046, 34335, 36162, 40221, 44690, 48069, 53410, 60270, 62566, 67035, 68670, 80115, 80442, 90405, 93849, 96138, 134070, 156415, 160230, 180810, 187698, 201105, 218981, 240345, 281547, 312830, 402210, 437962, 469245, 480690, 563094, 656943, 938490, 1094905, 1313886, 1407735, 1970829, 2189810, 2815470, 3284715, 3941658, 6569430, 9854145, 19708290]

約数ペア:

[(1, 19708290), (2, 9854145), (3, 6569430), (5, 3941658), (6, 3284715), (7, 2815470), (9, 2189810), (10, 1970829), (14, 1407735), (15, 1313886), (18, 1094905), (21, 938490), (30, 656943), (35, 563094), (41, 480690), (42, 469245), (45, 437962), (49, 402210), (63, 312830), (70, 281547), (82, 240345), (90, 218981), (98, 201105), (105, 187698), (109, 180810), (123, 160230), (126, 156415), (147, 134070), (205, 96138), (210, 93849), (218, 90405), (245, 80442), (246, 80115), (287, 68670), (294, 67035), (315, 62566), (327, 60270), (369, 53410), (410, 48069), (441, 44690), (490, 40221), (545, 36162), (574, 34335), (615, 32046), (630, 31283), (654, 30135), (735, 26814), (738, 26705), (763, 25830), (861, 22890), (882, 22345), (981, 20090), (1090, 18081), (1230, 16023), (1435, 13734), (1470, 13407), (1526, 12915), (1635, 12054), (1722, 11445), (1845, 10682), (1962, 10045), (2009, 9810), (2205, 8938), (2289, 8610), (2583, 7630), (2870, 6867), (3270, 6027), (3690, 5341), (3815, 5166), (4018, 4905), (4305, 4578), (4410, 4469)]