2001919857

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5017343}}^1$

素因数の和:5017372

約数の個数: 16

約数和(自身を含む): 3211100160

約数和(自身を除く): 1209180303

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5017343, 15052029, 35121401, 95329517, 105364203, 285988551, 667306619, 2001919857]

約数ペア:

[(1, 2001919857), (3, 667306619), (7, 285988551), (19, 105364203), (21, 95329517), (57, 35121401), (133, 15052029), (399, 5017343)]