18967754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19717}}^1$

素因数の和:19769

約数の個数: 16

約数和(自身を含む): 31469928

約数和(自身を除く): 12502174

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 19717, 39434, 256321, 512642, 729529, 1459058, 9483877, 18967754]

約数ペア:

[(1, 18967754), (2, 9483877), (13, 1459058), (26, 729529), (37, 512642), (74, 256321), (481, 39434), (962, 19717)]