19909359

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 30491760

約数和(自身を除く): 10582401

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 673, 1557, 2019, 3287, 6057, 9861, 12787, 29583, 38361, 115083, 116429, 349287, 1047861, 2212151, 6636453, 19909359]

約数ペア:

[(1, 19909359), (3, 6636453), (9, 2212151), (19, 1047861), (57, 349287), (171, 116429), (173, 115083), (519, 38361), (673, 29583), (1557, 12787), (2019, 9861), (3287, 6057)]