19131998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5011}}^1$

素因数の和:5119

約数の個数: 16

約数和(自身を含む): 30312576

約数和(自身を除く): 11180578

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5011, 10022, 115253, 230506, 415913, 831826, 9565999, 19131998]

約数ペア:

[(1, 19131998), (2, 9565999), (23, 831826), (46, 415913), (83, 230506), (166, 115253), (1909, 10022), (3818, 5011)]