19117228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 36147888

約数和(自身を除く): 17030660

約数列:

[1, 2, 4, 13, 26, 52, 563, 653, 1126, 1306, 2252, 2612, 7319, 8489, 14638, 16978, 29276, 33956, 367639, 735278, 1470556, 4779307, 9558614, 19117228]

約数ペア:

[(1, 19117228), (2, 9558614), (4, 4779307), (13, 1470556), (26, 735278), (52, 367639), (563, 33956), (653, 29276), (1126, 16978), (1306, 14638), (2252, 8489), (2612, 7319)]