19356547

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1103}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 23316480

約数和(自身を除く): 3959933

約数列:

[1, 7, 23, 109, 161, 763, 1103, 2507, 7721, 17549, 25369, 120227, 177583, 841589, 2765221, 19356547]

約数ペア:

[(1, 19356547), (7, 2765221), (23, 841589), (109, 177583), (161, 120227), (763, 25369), (1103, 17549), (2507, 7721)]