19722742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2113}}^1$

素因数の和:2487

約数の個数: 16

約数和(自身を含む): 31963680

約数和(自身を除く): 12240938

約数列:

[1, 2, 13, 26, 359, 718, 2113, 4226, 4667, 9334, 27469, 54938, 758567, 1517134, 9861371, 19722742]

約数ペア:

[(1, 19722742), (2, 9861371), (13, 1517134), (26, 758567), (359, 54938), (718, 27469), (2113, 9334), (4226, 4667)]