17780958

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{8443}}^1$

素因数の和:8470

約数の個数: 40

約数和(自身を含む): 42912408

約数和(自身を除く): 25131450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 8443, 16886, 25329, 50658, 75987, 109759, 151974, 219518, 227961, 329277, 455922, 658554, 683883, 987831, 1367766, 1975662, 2963493, 5926986, 8890479, 17780958]

約数ペア:

[(1, 17780958), (2, 8890479), (3, 5926986), (6, 2963493), (9, 1975662), (13, 1367766), (18, 987831), (26, 683883), (27, 658554), (39, 455922), (54, 329277), (78, 227961), (81, 219518), (117, 151974), (162, 109759), (234, 75987), (351, 50658), (702, 25329), (1053, 16886), (2106, 8443)]