19668639

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 7063521

約数列:

[1, 3, 101, 139, 303, 417, 467, 1401, 14039, 42117, 47167, 64913, 141501, 194739, 6556213, 19668639]

約数ペア:

[(1, 19668639), (3, 6556213), (101, 194739), (139, 141501), (303, 64913), (417, 47167), (467, 42117), (1401, 14039)]