19005605138

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{266491}}^1$

素因数の和:266730

約数の個数: 24

約数和(自身を含む): 31016470896

約数和(自身を除く): 12010865758

約数列:

[1, 2, 13, 26, 169, 211, 338, 422, 2743, 5486, 35659, 71318, 266491, 532982, 3464383, 6928766, 45036979, 56229601, 90073958, 112459202, 730984813, 1461969626, 9502802569, 19005605138]

約数ペア:

[(1, 19005605138), (2, 9502802569), (13, 1461969626), (26, 730984813), (169, 112459202), (211, 90073958), (338, 56229601), (422, 45036979), (2743, 6928766), (5486, 3464383), (35659, 532982), (71318, 266491)]