30391906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{19507}}^1$

素因数の和:19569

約数の個数: 16

約数和(自身を含む): 49160160

約数和(自身を除く): 18768254

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 19507, 39014, 370633, 741266, 799787, 1599574, 15195953, 30391906]

約数ペア:

[(1, 30391906), (2, 15195953), (19, 1599574), (38, 799787), (41, 741266), (82, 370633), (779, 39014), (1558, 19507)]