19420753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21820032

約数和(自身を除く): 2399279

約数列:

[1, 11, 61, 103, 281, 671, 1133, 3091, 6283, 17141, 28943, 69113, 188551, 318373, 1765523, 19420753]

約数ペア:

[(1, 19420753), (11, 1765523), (61, 318373), (103, 188551), (281, 69113), (671, 28943), (1133, 17141), (3091, 6283)]