19918644

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{72169}}^1$

素因数の和:72199

約数の個数: 24

約数和(自身を含む): 48498240

約数和(自身を除く): 28579596

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 72169, 144338, 216507, 288676, 433014, 866028, 1659887, 3319774, 4979661, 6639548, 9959322, 19918644]

約数ペア:

[(1, 19918644), (2, 9959322), (3, 6639548), (4, 4979661), (6, 3319774), (12, 1659887), (23, 866028), (46, 433014), (69, 288676), (92, 216507), (138, 144338), (276, 72169)]