19970938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40427}}^1$

素因数の和:40461

約数の個数: 16

約数和(自身を含む): 33959520

約数和(自身を除く): 13988582

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40427, 80854, 525551, 768113, 1051102, 1536226, 9985469, 19970938]

約数ペア:

[(1, 19970938), (2, 9985469), (13, 1536226), (19, 1051102), (26, 768113), (38, 525551), (247, 80854), (494, 40427)]