19370728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9803}}^1$

素因数の和:9841

約数の個数: 32

約数和(自身を含む): 41176800

約数和(自身を除く): 21806072

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9803, 19606, 39212, 78424, 127439, 186257, 254878, 372514, 509756, 745028, 1019512, 1490056, 2421341, 4842682, 9685364, 19370728]

約数ペア:

[(1, 19370728), (2, 9685364), (4, 4842682), (8, 2421341), (13, 1490056), (19, 1019512), (26, 745028), (38, 509756), (52, 372514), (76, 254878), (104, 186257), (152, 127439), (247, 78424), (494, 39212), (988, 19606), (1976, 9803)]