19873564

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 36455328

約数和(自身を除く): 16581764

約数列:

[1, 2, 4, 23, 46, 92, 337, 641, 674, 1282, 1348, 2564, 7751, 14743, 15502, 29486, 31004, 58972, 216017, 432034, 864068, 4968391, 9936782, 19873564]

約数ペア:

[(1, 19873564), (2, 9936782), (4, 4968391), (23, 864068), (46, 432034), (92, 216017), (337, 58972), (641, 31004), (674, 29486), (1282, 15502), (1348, 14743), (2564, 7751)]