19108629

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13877}}^1$

素因数の和:13906

約数の個数: 20

約数和(自身を含む): 30226284

約数和(自身を除く): 11117655

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13877, 41631, 124893, 235909, 374679, 707727, 1124037, 2123181, 6369543, 19108629]

約数ペア:

[(1, 19108629), (3, 6369543), (9, 2123181), (17, 1124037), (27, 707727), (51, 374679), (81, 235909), (153, 124893), (459, 41631), (1377, 13877)]