19119985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11839}}^1$

素因数の和:11880

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 6454415

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 11839, 59195, 201263, 224941, 1006315, 1124705, 3823997, 19119985]

約数ペア:

[(1, 19119985), (5, 3823997), (17, 1124705), (19, 1006315), (85, 224941), (95, 201263), (323, 59195), (1615, 11839)]