19123006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 37209600

約数和(自身を除く): 18086594

約数列:

[1, 2, 7, 14, 19, 29, 37, 38, 58, 67, 74, 133, 134, 203, 259, 266, 406, 469, 518, 551, 703, 938, 1073, 1102, 1273, 1406, 1943, 2146, 2479, 2546, 3857, 3886, 4921, 4958, 7511, 7714, 8911, 9842, 13601, 15022, 17353, 17822, 20387, 27202, 34706, 36917, 40774, 47101, 71891, 73834, 94202, 142709, 143782, 258419, 285418, 329707, 503237, 516838, 659414, 1006474, 1365929, 2731858, 9561503, 19123006]

約数ペア:

[(1, 19123006), (2, 9561503), (7, 2731858), (14, 1365929), (19, 1006474), (29, 659414), (37, 516838), (38, 503237), (58, 329707), (67, 285418), (74, 258419), (133, 143782), (134, 142709), (203, 94202), (259, 73834), (266, 71891), (406, 47101), (469, 40774), (518, 36917), (551, 34706), (703, 27202), (938, 20387), (1073, 17822), (1102, 17353), (1273, 15022), (1406, 13601), (1943, 9842), (2146, 8911), (2479, 7714), (2546, 7511), (3857, 4958), (3886, 4921)]