19963862

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4297}}^1$

素因数の和:4423

約数の個数: 16

約数和(自身を含む): 31564512

約数和(自身を除く): 11600650

約数列:

[1, 2, 23, 46, 101, 202, 2323, 4297, 4646, 8594, 98831, 197662, 433997, 867994, 9981931, 19963862]

約数ペア:

[(1, 19963862), (2, 9981931), (23, 867994), (46, 433997), (101, 197662), (202, 98831), (2323, 8594), (4297, 4646)]