19871177

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 1556023

約数列:

[1, 29, 47, 61, 239, 1363, 1769, 2867, 6931, 11233, 14579, 83143, 325757, 422791, 685213, 19871177]

約数ペア:

[(1, 19871177), (29, 685213), (47, 422791), (61, 325757), (239, 83143), (1363, 14579), (1769, 11233), (2867, 6931)]