19440572

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13463}}^1$

素因数の和:13505

約数の個数: 18

約数和(自身を含む): 35908488

約数和(自身を除く): 16467916

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13463, 26926, 53852, 255797, 511594, 1023188, 4860143, 9720286, 19440572]

約数ペア:

[(1, 19440572), (2, 9720286), (4, 4860143), (19, 1023188), (38, 511594), (76, 255797), (361, 53852), (722, 26926), (1444, 13463)]