18059860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9923}}^1$

素因数の和:9952

約数の個数: 48

約数和(自身を含む): 46682496

約数和(自身を除く): 28622636

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9923, 19846, 39692, 49615, 69461, 99230, 128999, 138922, 198460, 257998, 277844, 347305, 515996, 644995, 694610, 902993, 1289990, 1389220, 1805986, 2579980, 3611972, 4514965, 9029930, 18059860]

約数ペア:

[(1, 18059860), (2, 9029930), (4, 4514965), (5, 3611972), (7, 2579980), (10, 1805986), (13, 1389220), (14, 1289990), (20, 902993), (26, 694610), (28, 644995), (35, 515996), (52, 347305), (65, 277844), (70, 257998), (91, 198460), (130, 138922), (140, 128999), (182, 99230), (260, 69461), (364, 49615), (455, 39692), (910, 19846), (1820, 9923)]