19019819

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 23912448

約数和(自身を除く): 4892629

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4447, 31129, 57811, 209009, 404677, 1463063, 2717117, 19019819]

約数ペア:

[(1, 19019819), (7, 2717117), (13, 1463063), (47, 404677), (91, 209009), (329, 57811), (611, 31129), (4277, 4447)]