18312884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{240959}}^1$

素因数の和:240982

約数の個数: 12

約数和(自身を含む): 33734400

約数和(自身を除く): 15421516

約数列:

[1, 2, 4, 19, 38, 76, 240959, 481918, 963836, 4578221, 9156442, 18312884]

約数ペア:

[(1, 18312884), (2, 9156442), (4, 4578221), (19, 963836), (38, 481918), (76, 240959)]