1138895986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{491327}}^1$

素因数の和:491409

約数の個数: 16

約数和(自身を含む): 1827740160

約数和(自身を除く): 688844174

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 491327, 982654, 9335213, 18670426, 29970947, 59941894, 569447993, 1138895986]

約数ペア:

[(1, 1138895986), (2, 569447993), (19, 59941894), (38, 29970947), (61, 18670426), (122, 9335213), (1159, 982654), (2318, 491327)]