30031438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11131}}^1$

素因数の和:11223

約数の個数: 16

約数和(自身を含む): 48090240

約数和(自身を除く): 18058802

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 11131, 22262, 211489, 422978, 790301, 1580602, 15015719, 30031438]

約数ペア:

[(1, 30031438), (2, 15015719), (19, 1580602), (38, 790301), (71, 422978), (142, 211489), (1349, 22262), (2698, 11131)]