19931678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20719}}^1$

素因数の和:20771

約数の個数: 16

約数和(自身を含む): 33069120

約数和(自身を除く): 13137442

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20719, 41438, 269347, 538694, 766603, 1533206, 9965839, 19931678]

約数ペア:

[(1, 19931678), (2, 9965839), (13, 1533206), (26, 766603), (37, 538694), (74, 269347), (481, 41438), (962, 20719)]