1919428

素因数分解:

$2^2\times 7^3\times {\mathrm{1399}}^1$

素因数の和:1424

約数の個数: 24

約数和(自身を含む): 3920000

約数和(自身を除く): 2000572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1399, 2798, 5596, 9793, 19586, 39172, 68551, 137102, 274204, 479857, 959714, 1919428]

約数ペア:

[(1, 1919428), (2, 959714), (4, 479857), (7, 274204), (14, 137102), (28, 68551), (49, 39172), (98, 19586), (196, 9793), (343, 5596), (686, 2798), (1372, 1399)]