19972002

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4273}}^1$

素因数の和:4338

約数の個数: 32

約数和(自身を含む): 43081920

約数和(自身を除く): 23109918

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 114, 123, 246, 779, 1558, 2337, 4273, 4674, 8546, 12819, 25638, 81187, 162374, 175193, 243561, 350386, 487122, 525579, 1051158, 3328667, 6657334, 9986001, 19972002]

約数ペア:

[(1, 19972002), (2, 9986001), (3, 6657334), (6, 3328667), (19, 1051158), (38, 525579), (41, 487122), (57, 350386), (82, 243561), (114, 175193), (123, 162374), (246, 81187), (779, 25638), (1558, 12819), (2337, 8546), (4273, 4674)]