18647916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{221999}}^1$

素因数の和:222013

約数の個数: 24

約数和(自身を含む): 49728000

約数和(自身を除く): 31080084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 221999, 443998, 665997, 887996, 1331994, 1553993, 2663988, 3107986, 4661979, 6215972, 9323958, 18647916]

約数ペア:

[(1, 18647916), (2, 9323958), (3, 6215972), (4, 4661979), (6, 3107986), (7, 2663988), (12, 1553993), (14, 1331994), (21, 887996), (28, 665997), (42, 443998), (84, 221999)]