39998458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1637}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 63292320

約数和(自身を除く): 23293862

約数列:

[1, 2, 19, 38, 643, 1286, 1637, 3274, 12217, 24434, 31103, 62206, 1052591, 2105182, 19999229, 39998458]

約数ペア:

[(1, 39998458), (2, 19999229), (19, 2105182), (38, 1052591), (643, 62206), (1286, 31103), (1637, 24434), (3274, 12217)]