18810722

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70717}}^1$

素因数の和:70745

約数の個数: 16

約数和(自身を含む): 33944640

約数和(自身を除く): 15133918

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70717, 141434, 495019, 990038, 1343623, 2687246, 9405361, 18810722]

約数ペア:

[(1, 18810722), (2, 9405361), (7, 2687246), (14, 1343623), (19, 990038), (38, 495019), (133, 141434), (266, 70717)]