19970797

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 5027603

約数列:

[1, 7, 11, 77, 419, 619, 2933, 4333, 4609, 6809, 32263, 47663, 259361, 1815527, 2852971, 19970797]

約数ペア:

[(1, 19970797), (7, 2852971), (11, 1815527), (77, 259361), (419, 47663), (619, 32263), (2933, 6809), (4333, 4609)]