19929754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20717}}^1$

素因数の和:20769

約数の個数: 16

約数和(自身を含む): 33065928

約数和(自身を除く): 13136174

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20717, 41434, 269321, 538642, 766529, 1533058, 9964877, 19929754]

約数ペア:

[(1, 19929754), (2, 9964877), (13, 1533058), (26, 766529), (37, 538642), (74, 269321), (481, 41434), (962, 20717)]