18915190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270217}}^1$

素因数の和:270231

約数の個数: 16

約数和(自身を含む): 38911392

約数和(自身を除く): 19996202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270217, 540434, 1351085, 1891519, 2702170, 3783038, 9457595, 18915190]

約数ペア:

[(1, 18915190), (2, 9457595), (5, 3783038), (7, 2702170), (10, 1891519), (14, 1351085), (35, 540434), (70, 270217)]