15981918

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{115811}}^1$

素因数の和:115839

約数の個数: 16

約数和(自身を含む): 33353856

約数和(自身を除く): 17371938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 115811, 231622, 347433, 694866, 2663653, 5327306, 7990959, 15981918]

約数ペア:

[(1, 15981918), (2, 7990959), (3, 5327306), (6, 2663653), (23, 694866), (46, 347433), (69, 231622), (138, 115811)]