19727491

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6449}}^1$

素因数の和:6498

約数の個数: 16

約数和(自身を含む): 24768000

約数和(自身を除く): 5040509

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6449, 45143, 122531, 148327, 857717, 1038289, 2818213, 19727491]

約数ペア:

[(1, 19727491), (7, 2818213), (19, 1038289), (23, 857717), (133, 148327), (161, 122531), (437, 45143), (3059, 6449)]