2019901989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5062411}}^1$

素因数の和:5062440

約数の個数: 16

約数和(自身を含む): 3239943680

約数和(自身を除く): 1220041691

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5062411, 15187233, 35436877, 96185809, 106310631, 288557427, 673300663, 2019901989]

約数ペア:

[(1, 2019901989), (3, 673300663), (7, 288557427), (19, 106310631), (21, 96185809), (57, 35436877), (133, 15187233), (399, 5062411)]