18449123

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 5881117

約数列:

[1, 7, 11, 31, 59, 77, 131, 217, 341, 413, 649, 917, 1441, 1829, 2387, 4061, 4543, 7729, 10087, 12803, 20119, 28427, 44671, 54103, 85019, 140833, 239599, 312697, 595133, 1677193, 2635589, 18449123]

約数ペア:

[(1, 18449123), (7, 2635589), (11, 1677193), (31, 595133), (59, 312697), (77, 239599), (131, 140833), (217, 85019), (341, 54103), (413, 44671), (649, 28427), (917, 20119), (1441, 12803), (1829, 10087), (2387, 7729), (4061, 4543)]