20131756318

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{2081}}^1\times {\mathrm{13399}}^1$

素因数の和:15520

約数の個数: 24

約数和(自身を含む): 31888328400

約数和(自身を除く): 11756572082

約数列:

[1, 2, 19, 38, 361, 722, 2081, 4162, 13399, 26798, 39539, 79078, 254581, 509162, 751241, 1502482, 4837039, 9674078, 27883319, 55766638, 529783061, 1059566122, 10065878159, 20131756318]

約数ペア:

[(1, 20131756318), (2, 10065878159), (19, 1059566122), (38, 529783061), (361, 55766638), (722, 27883319), (2081, 9674078), (4162, 4837039), (13399, 1502482), (26798, 751241), (39539, 509162), (79078, 254581)]