1900992009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4764391}}^1$

素因数の和:4764420

約数の個数: 16

約数和(自身を含む): 3049210880

約数和(自身を除く): 1148218871

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4764391, 14293173, 33350737, 90523429, 100052211, 271570287, 633664003, 1900992009]

約数ペア:

[(1, 1900992009), (3, 633664003), (7, 271570287), (19, 100052211), (21, 90523429), (57, 33350737), (133, 14293173), (399, 4764391)]