19406218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4943}}^1$

素因数の和:5109

約数の個数: 16

約数和(自身を含む): 31562496

約数和(自身を除く): 12156278

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 4943, 9886, 64259, 128518, 746393, 1492786, 9703109, 19406218]

約数ペア:

[(1, 19406218), (2, 9703109), (13, 1492786), (26, 746393), (151, 128518), (302, 64259), (1963, 9886), (3926, 4943)]