19928199

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{1031}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 28235520

約数和(自身を除く): 8307321

約数列:

[1, 3, 17, 51, 379, 1031, 1137, 3093, 6443, 17527, 19329, 52581, 390749, 1172247, 6642733, 19928199]

約数ペア:

[(1, 19928199), (3, 6642733), (17, 1172247), (51, 390749), (379, 52581), (1031, 19329), (1137, 17527), (3093, 6443)]