19354937

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 3869383

約数列:

[1, 7, 23, 161, 239, 503, 1673, 3521, 5497, 11569, 38479, 80983, 120217, 841519, 2764991, 19354937]

約数ペア:

[(1, 19354937), (7, 2764991), (23, 841519), (161, 120217), (239, 80983), (503, 38479), (1673, 11569), (3521, 5497)]