17939571

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9787}}^1$

素因数の和:9850

約数の個数: 16

約数和(自身を含む): 26310144

約数和(自身を除く): 8370573

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 9787, 29361, 127231, 381693, 459989, 1379967, 5979857, 17939571]

約数ペア:

[(1, 17939571), (3, 5979857), (13, 1379967), (39, 459989), (47, 381693), (141, 127231), (611, 29361), (1833, 9787)]