19010222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 19351378

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 73, 77, 89, 133, 146, 154, 178, 209, 266, 418, 511, 623, 803, 979, 1022, 1246, 1387, 1463, 1606, 1691, 1958, 2774, 2926, 3382, 5621, 6497, 6853, 9709, 11242, 11837, 12994, 13706, 15257, 18601, 19418, 23674, 30514, 37202, 45479, 71467, 90958, 106799, 123443, 130207, 142934, 213598, 246886, 260414, 500269, 864101, 1000538, 1357873, 1728202, 2715746, 9505111, 19010222]

約数ペア:

[(1, 19010222), (2, 9505111), (7, 2715746), (11, 1728202), (14, 1357873), (19, 1000538), (22, 864101), (38, 500269), (73, 260414), (77, 246886), (89, 213598), (133, 142934), (146, 130207), (154, 123443), (178, 106799), (209, 90958), (266, 71467), (418, 45479), (511, 37202), (623, 30514), (803, 23674), (979, 19418), (1022, 18601), (1246, 15257), (1387, 13706), (1463, 12994), (1606, 11837), (1691, 11242), (1958, 9709), (2774, 6853), (2926, 6497), (3382, 5621)]