19357208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{499}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 39270000

約数和(自身を除く): 19912792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 373, 499, 746, 998, 1492, 1996, 2984, 3992, 4849, 6487, 9698, 12974, 19396, 25948, 38792, 51896, 186127, 372254, 744508, 1489016, 2419651, 4839302, 9678604, 19357208]

約数ペア:

[(1, 19357208), (2, 9678604), (4, 4839302), (8, 2419651), (13, 1489016), (26, 744508), (52, 372254), (104, 186127), (373, 51896), (499, 38792), (746, 25948), (998, 19396), (1492, 12974), (1996, 9698), (2984, 6487), (3992, 4849)]