19875689

素因数分解:

${\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 21150720

約数和(自身を除く): 1275031

約数列:

[1, 47, 53, 79, 101, 2491, 3713, 4187, 4747, 5353, 7979, 196789, 251591, 375013, 422887, 19875689]

約数ペア:

[(1, 19875689), (47, 422887), (53, 375013), (79, 251591), (101, 196789), (2491, 7979), (3713, 5353), (4187, 4747)]