19413021

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1051}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 26661888

約数和(自身を除く): 7248867

約数列:

[1, 3, 47, 131, 141, 393, 1051, 3153, 6157, 18471, 49397, 137681, 148191, 413043, 6471007, 19413021]

約数ペア:

[(1, 19413021), (3, 6471007), (47, 413043), (131, 148191), (141, 137681), (393, 49397), (1051, 18471), (3153, 6157)]