19469035

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 23839200

約数和(自身を除く): 4370165

約数列:

[1, 5, 109, 139, 257, 545, 695, 1285, 15151, 28013, 35723, 75755, 140065, 178615, 3893807, 19469035]

約数ペア:

[(1, 19469035), (5, 3893807), (109, 178615), (139, 140065), (257, 75755), (545, 35723), (695, 28013), (1285, 15151)]