19494836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 36120000

約数和(自身を除く): 16625164

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 1289, 2578, 3781, 5156, 7562, 15124, 24491, 48982, 97964, 256511, 513022, 1026044, 4873709, 9747418, 19494836]

約数ペア:

[(1, 19494836), (2, 9747418), (4, 4873709), (19, 1026044), (38, 513022), (76, 256511), (199, 97964), (398, 48982), (796, 24491), (1289, 15124), (2578, 7562), (3781, 5156)]