19771913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3163}}^1$

素因数の和:3236

約数の個数: 16

約数和(自身を含む): 24299520

約数和(自身を除く): 4527607

約数列:

[1, 7, 19, 47, 133, 329, 893, 3163, 6251, 22141, 60097, 148661, 420679, 1040627, 2824559, 19771913]

約数ペア:

[(1, 19771913), (7, 2824559), (19, 1040627), (47, 420679), (133, 148661), (329, 60097), (893, 22141), (3163, 6251)]