19872874

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61717}}^1$

素因数の和:61749

約数の個数: 16

約数和(自身を含む): 35549568

約数和(自身を除く): 15676694

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61717, 123434, 432019, 864038, 1419491, 2838982, 9936437, 19872874]

約数ペア:

[(1, 19872874), (2, 9936437), (7, 2838982), (14, 1419491), (23, 864038), (46, 432019), (161, 123434), (322, 61717)]