19963972

素因数分解:

$2^2\times 7^3\times {\mathrm{14551}}^1$

素因数の和:14576

約数の個数: 24

約数和(自身を含む): 40745600

約数和(自身を除く): 20781628

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14551, 29102, 58204, 101857, 203714, 407428, 712999, 1425998, 2851996, 4990993, 9981986, 19963972]

約数ペア:

[(1, 19963972), (2, 9981986), (4, 4990993), (7, 2851996), (14, 1425998), (28, 712999), (49, 407428), (98, 203714), (196, 101857), (343, 58204), (686, 29102), (1372, 14551)]