19782040235

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{626113}}^1$

素因数の和:626278

約数の個数: 16

約数和(自身を含む): 24343312320

約数和(自身を除く): 4561272085

約数列:

[1, 5, 71, 89, 355, 445, 6319, 31595, 626113, 3130565, 44454023, 55724057, 222270115, 278620285, 3956408047, 19782040235]

約数ペア:

[(1, 19782040235), (5, 3956408047), (71, 278620285), (89, 222270115), (355, 55724057), (445, 44454023), (6319, 3130565), (31595, 626113)]