199142686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{71789}}^1$

素因数の和:71883

約数の個数: 16

約数和(自身を含む): 318747600

約数和(自身を除く): 119604914

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 71789, 143578, 1363991, 2727982, 5240597, 10481194, 99571343, 199142686]

約数ペア:

[(1, 199142686), (2, 99571343), (19, 10481194), (38, 5240597), (73, 2727982), (146, 1363991), (1387, 143578), (2774, 71789)]