1691380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 3739680

約数和(自身を除く): 2048300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4451, 8902, 17804, 22255, 44510, 84569, 89020, 169138, 338276, 422845, 845690, 1691380]

約数ペア:

[(1, 1691380), (2, 845690), (4, 422845), (5, 338276), (10, 169138), (19, 89020), (20, 84569), (38, 44510), (76, 22255), (95, 17804), (190, 8902), (380, 4451)]