18631972

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 33264000

約数和(自身を除く): 14632028

約数列:

[1, 2, 4, 89, 178, 199, 263, 356, 398, 526, 796, 1052, 17711, 23407, 35422, 46814, 52337, 70844, 93628, 104674, 209348, 4657993, 9315986, 18631972]

約数ペア:

[(1, 18631972), (2, 9315986), (4, 4657993), (89, 209348), (178, 104674), (199, 93628), (263, 70844), (356, 52337), (398, 46814), (526, 35422), (796, 23407), (1052, 17711)]