18307204

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 32648000

約数和(自身を除く): 14340796

約数列:

[1, 2, 4, 109, 199, 211, 218, 398, 422, 436, 796, 844, 21691, 22999, 41989, 43382, 45998, 83978, 86764, 91996, 167956, 4576801, 9153602, 18307204]

約数ペア:

[(1, 18307204), (2, 9153602), (4, 4576801), (109, 167956), (199, 91996), (211, 86764), (218, 83978), (398, 45998), (422, 43382), (436, 41989), (796, 22999), (844, 21691)]