19790854

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1217}}^1$

素因数の和:1439

約数の個数: 16

約数和(自身を含む): 30518208

約数和(自身を除く): 10727354

約数列:

[1, 2, 47, 94, 173, 346, 1217, 2434, 8131, 16262, 57199, 114398, 210541, 421082, 9895427, 19790854]

約数ペア:

[(1, 19790854), (2, 9895427), (47, 421082), (94, 210541), (173, 114398), (346, 57199), (1217, 16262), (2434, 8131)]