18311916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 49070336

約数和(自身を除く): 30758420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 277, 554, 787, 831, 1108, 1574, 1662, 1939, 2361, 3148, 3324, 3878, 4722, 5509, 5817, 7756, 9444, 11018, 11634, 16527, 22036, 23268, 33054, 66108, 217999, 435998, 653997, 871996, 1307994, 1525993, 2615988, 3051986, 4577979, 6103972, 9155958, 18311916]

約数ペア:

[(1, 18311916), (2, 9155958), (3, 6103972), (4, 4577979), (6, 3051986), (7, 2615988), (12, 1525993), (14, 1307994), (21, 871996), (28, 653997), (42, 435998), (84, 217999), (277, 66108), (554, 33054), (787, 23268), (831, 22036), (1108, 16527), (1574, 11634), (1662, 11018), (1939, 9444), (2361, 7756), (3148, 5817), (3324, 5509), (3878, 4722)]