19811202

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21031}}^1$

素因数の和:21193

約数の個数: 16

約数和(自身を含む): 39876672

約数和(自身を除く): 20065470

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21031, 42062, 63093, 126186, 3301867, 6603734, 9905601, 19811202]

約数ペア:

[(1, 19811202), (2, 9905601), (3, 6603734), (6, 3301867), (157, 126186), (314, 63093), (471, 42062), (942, 21031)]