19798743

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 26969600

約数和(自身を除く): 7170857

約数列:

[1, 3, 79, 139, 237, 417, 601, 1803, 10981, 32943, 47479, 83539, 142437, 250617, 6599581, 19798743]

約数ペア:

[(1, 19798743), (3, 6599581), (79, 250617), (139, 142437), (237, 83539), (417, 47479), (601, 32943), (1803, 10981)]