19131387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{19991}}^1$

素因数の和:20034

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 9657093

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 19991, 59973, 219901, 579739, 659703, 1739217, 6377129, 19131387]

約数ペア:

[(1, 19131387), (3, 6377129), (11, 1739217), (29, 659703), (33, 579739), (87, 219901), (319, 59973), (957, 19991)]