19490878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28579}}^1$

素因数の和:28623

約数の個数: 16

約数和(自身を含む): 32924160

約数和(自身を除く): 13433282

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28579, 57158, 314369, 628738, 885949, 1771898, 9745439, 19490878]

約数ペア:

[(1, 19490878), (2, 9745439), (11, 1771898), (22, 885949), (31, 628738), (62, 314369), (341, 57158), (682, 28579)]