19992832015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9922001}}^1$

素因数の和:9922050

約数の個数: 16

約数和(自身を含む): 26670341376

約数和(自身を除く): 6677509361

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9922001, 49610005, 128986013, 307582031, 644930065, 1537910155, 3998566403, 19992832015]

約数ペア:

[(1, 19992832015), (5, 3998566403), (13, 1537910155), (31, 644930065), (65, 307582031), (155, 128986013), (403, 49610005), (2015, 9922001)]