19840097921

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{440177}}^1$

素因数の和:440368

約数の個数: 16

約数和(自身を含む): 23325912576

約数和(自身を除く): 3485814655

約数列:

[1, 7, 47, 137, 329, 959, 6439, 45073, 440177, 3081239, 20688319, 60304249, 144818233, 422129743, 2834299703, 19840097921]

約数ペア:

[(1, 19840097921), (7, 2834299703), (47, 422129743), (137, 144818233), (329, 60304249), (959, 20688319), (6439, 3081239), (45073, 440177)]