12161916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 54

約数和(自身を含む): 33306000

約数和(自身を除く): 21144084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 1999, 2028, 3042, 3998, 5997, 6084, 7996, 11994, 17991, 23988, 25987, 35982, 51974, 71964, 77961, 103948, 155922, 233883, 311844, 337831, 467766, 675662, 935532, 1013493, 1351324, 2026986, 3040479, 4053972, 6080958, 12161916]

約数ペア:

[(1, 12161916), (2, 6080958), (3, 4053972), (4, 3040479), (6, 2026986), (9, 1351324), (12, 1013493), (13, 935532), (18, 675662), (26, 467766), (36, 337831), (39, 311844), (52, 233883), (78, 155922), (117, 103948), (156, 77961), (169, 71964), (234, 51974), (338, 35982), (468, 25987), (507, 23988), (676, 17991), (1014, 11994), (1521, 7996), (1999, 6084), (2028, 5997), (3042, 3998)]