18200013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 28054656

約数和(自身を除く): 9854643

約数列:

[1, 3, 13, 17, 39, 51, 97, 221, 283, 291, 663, 849, 1261, 1649, 3679, 3783, 4811, 4947, 11037, 14433, 21437, 27451, 62543, 64311, 82353, 187629, 356863, 466667, 1070589, 1400001, 6066671, 18200013]

約数ペア:

[(1, 18200013), (3, 6066671), (13, 1400001), (17, 1070589), (39, 466667), (51, 356863), (97, 187629), (221, 82353), (283, 64311), (291, 62543), (663, 27451), (849, 21437), (1261, 14433), (1649, 11037), (3679, 4947), (3783, 4811)]