18941572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{647}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 35816256

約数和(自身を除く): 16874684

約数列:

[1, 2, 4, 13, 26, 52, 563, 647, 1126, 1294, 2252, 2588, 7319, 8411, 14638, 16822, 29276, 33644, 364261, 728522, 1457044, 4735393, 9470786, 18941572]

約数ペア:

[(1, 18941572), (2, 9470786), (4, 4735393), (13, 1457044), (26, 728522), (52, 364261), (563, 33644), (647, 29276), (1126, 16822), (1294, 14638), (2252, 8411), (2588, 7319)]