19404122

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:677

約数の個数: 16

約数和(自身を含む): 29541120

約数和(自身を除く): 10136998

約数列:

[1, 2, 139, 223, 278, 313, 446, 626, 30997, 43507, 61994, 69799, 87014, 139598, 9702061, 19404122]

約数ペア:

[(1, 19404122), (2, 9702061), (139, 139598), (223, 87014), (278, 69799), (313, 61994), (446, 43507), (626, 30997)]