19821237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8087}}^1$

素因数の和:8152

約数の個数: 16

約数和(自身を含む): 28469760

約数和(自身を除く): 8648523

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8087, 24261, 153653, 347741, 460959, 1043223, 6607079, 19821237]

約数ペア:

[(1, 19821237), (3, 6607079), (19, 1043223), (43, 460959), (57, 347741), (129, 153653), (817, 24261), (2451, 8087)]