19793345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 11172415

約数列:

[1, 5, 11, 13, 19, 31, 47, 55, 65, 95, 143, 155, 209, 235, 247, 341, 403, 517, 589, 611, 715, 893, 1045, 1235, 1457, 1705, 2015, 2585, 2717, 2945, 3055, 4433, 4465, 6479, 6721, 7285, 7657, 9823, 11609, 13585, 16027, 18941, 22165, 27683, 32395, 33605, 38285, 49115, 58045, 80135, 84227, 94705, 127699, 138415, 208351, 304513, 359879, 421135, 638495, 1041755, 1522565, 1799395, 3958669, 19793345]

約数ペア:

[(1, 19793345), (5, 3958669), (11, 1799395), (13, 1522565), (19, 1041755), (31, 638495), (47, 421135), (55, 359879), (65, 304513), (95, 208351), (143, 138415), (155, 127699), (209, 94705), (235, 84227), (247, 80135), (341, 58045), (403, 49115), (517, 38285), (589, 33605), (611, 32395), (715, 27683), (893, 22165), (1045, 18941), (1235, 16027), (1457, 13585), (1705, 11609), (2015, 9823), (2585, 7657), (2717, 7285), (2945, 6721), (3055, 6479), (4433, 4465)]