19387581

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 27417600

約数和(自身を除く): 8030019

約数列:

[1, 3, 19, 57, 139, 417, 2447, 2641, 7341, 7923, 46493, 139479, 340133, 1020399, 6462527, 19387581]

約数ペア:

[(1, 19387581), (3, 6462527), (19, 1020399), (57, 340133), (139, 139479), (417, 46493), (2447, 7923), (2641, 7341)]