19950392

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27224008

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 139, 154, 233, 278, 308, 466, 556, 616, 932, 973, 1112, 1529, 1631, 1864, 1946, 2563, 3058, 3262, 3892, 5126, 6116, 6524, 7784, 10252, 10703, 12232, 13048, 17941, 20504, 21406, 32387, 35882, 42812, 64774, 71764, 85624, 129548, 143528, 226709, 259096, 356257, 453418, 712514, 906836, 1425028, 1813672, 2493799, 2850056, 4987598, 9975196, 19950392]

約数ペア:

[(1, 19950392), (2, 9975196), (4, 4987598), (7, 2850056), (8, 2493799), (11, 1813672), (14, 1425028), (22, 906836), (28, 712514), (44, 453418), (56, 356257), (77, 259096), (88, 226709), (139, 143528), (154, 129548), (233, 85624), (278, 71764), (308, 64774), (466, 42812), (556, 35882), (616, 32387), (932, 21406), (973, 20504), (1112, 17941), (1529, 13048), (1631, 12232), (1864, 10703), (1946, 10252), (2563, 7784), (3058, 6524), (3262, 6116), (3892, 5126)]