19961799

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 34406400

約数和(自身を除く): 14444601

約数列:

[1, 3, 11, 13, 19, 31, 33, 39, 57, 79, 93, 143, 209, 237, 247, 341, 403, 429, 589, 627, 741, 869, 1023, 1027, 1209, 1501, 1767, 2449, 2607, 2717, 3081, 4433, 4503, 6479, 7347, 7657, 8151, 11297, 13299, 16511, 19437, 19513, 22971, 26939, 31837, 33891, 46531, 49533, 58539, 80817, 84227, 95511, 139593, 214643, 252681, 350207, 511841, 604903, 643929, 1050621, 1535523, 1814709, 6653933, 19961799]

約数ペア:

[(1, 19961799), (3, 6653933), (11, 1814709), (13, 1535523), (19, 1050621), (31, 643929), (33, 604903), (39, 511841), (57, 350207), (79, 252681), (93, 214643), (143, 139593), (209, 95511), (237, 84227), (247, 80817), (341, 58539), (403, 49533), (429, 46531), (589, 33891), (627, 31837), (741, 26939), (869, 22971), (1023, 19513), (1027, 19437), (1209, 16511), (1501, 13299), (1767, 11297), (2449, 8151), (2607, 7657), (2717, 7347), (3081, 6479), (4433, 4503)]