19139945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8093}}^1$

素因数の和:8152

約数の個数: 16

約数和(自身を含む): 25641792

約数和(自身を除く): 6501847

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8093, 40465, 89023, 347999, 445115, 1739995, 3827989, 19139945]

約数ペア:

[(1, 19139945), (5, 3827989), (11, 1739995), (43, 445115), (55, 347999), (215, 89023), (473, 40465), (2365, 8093)]