19087159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{601}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 23598400

約数和(自身を除く): 4511241

約数列:

[1, 7, 13, 91, 349, 601, 2443, 4207, 4537, 7813, 31759, 54691, 209749, 1468243, 2726737, 19087159]

約数ペア:

[(1, 19087159), (7, 2726737), (13, 1468243), (91, 209749), (349, 54691), (601, 31759), (2443, 7813), (4207, 4537)]