19484337

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8716623

約数列:

[1, 3, 31, 53, 59, 67, 93, 159, 177, 201, 1643, 1829, 2077, 3127, 3551, 3953, 4929, 5487, 6231, 9381, 10653, 11859, 96937, 110081, 122543, 209509, 290811, 330243, 367629, 628527, 6494779, 19484337]

約数ペア:

[(1, 19484337), (3, 6494779), (31, 628527), (53, 367629), (59, 330243), (67, 290811), (93, 209509), (159, 122543), (177, 110081), (201, 96937), (1643, 11859), (1829, 10653), (2077, 9381), (3127, 6231), (3551, 5487), (3953, 4929)]