1999278

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1136

約数の個数: 24

約数和(自身を含む): 4375800

約数和(自身を除く): 2376522

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1019, 1962, 2038, 3057, 6114, 9171, 18342, 111071, 222142, 333213, 666426, 999639, 1999278]

約数ペア:

[(1, 1999278), (2, 999639), (3, 666426), (6, 333213), (9, 222142), (18, 111071), (109, 18342), (218, 9171), (327, 6114), (654, 3057), (981, 2038), (1019, 1962)]