17919741

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 28025760

約数和(自身を除く): 10106019

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 877, 973, 2631, 2919, 6139, 6811, 18417, 20433, 42973, 121903, 128919, 365709, 853321, 2559963, 5973247, 17919741]

約数ペア:

[(1, 17919741), (3, 5973247), (7, 2559963), (21, 853321), (49, 365709), (139, 128919), (147, 121903), (417, 42973), (877, 20433), (973, 18417), (2631, 6811), (2919, 6139)]