19686862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17609}}^1$

素因数の和:17667

約数の個数: 16

約数和(自身を含む): 32543280

約数和(自身を除く): 12856418

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17609, 35218, 228917, 457834, 757187, 1514374, 9843431, 19686862]

約数ペア:

[(1, 19686862), (2, 9843431), (13, 1514374), (26, 757187), (43, 457834), (86, 228917), (559, 35218), (1118, 17609)]