19992142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5209}}^1$

素因数の和:5331

約数の個数: 16

約数和(自身を含む): 31885200

約数和(自身を除く): 11893058

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5209, 10418, 98971, 197942, 526109, 1052218, 9996071, 19992142]

約数ペア:

[(1, 19992142), (2, 9996071), (19, 1052218), (38, 526109), (101, 197942), (202, 98971), (1919, 10418), (3838, 5209)]