19889302

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1117}}^1$

素因数の和:1455

約数の個数: 16

約数和(自身を含む): 30990960

約数和(自身を除く): 11101658

約数列:

[1, 2, 29, 58, 307, 614, 1117, 2234, 8903, 17806, 32393, 64786, 342919, 685838, 9944651, 19889302]

約数ペア:

[(1, 19889302), (2, 9944651), (29, 685838), (58, 342919), (307, 64786), (614, 32393), (1117, 17806), (2234, 8903)]