19393209

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15443271

約数列:

[1, 3, 9, 11, 17, 23, 27, 33, 51, 69, 99, 153, 167, 187, 207, 253, 297, 391, 459, 501, 561, 621, 759, 1173, 1503, 1683, 1837, 2277, 2839, 3519, 3841, 4301, 4509, 5049, 5511, 6831, 8517, 10557, 11523, 12903, 16533, 25551, 31229, 34569, 38709, 42251, 49599, 65297, 76653, 93687, 103707, 116127, 126753, 195891, 281061, 380259, 587673, 718267, 843183, 1140777, 1763019, 2154801, 6464403, 19393209]

約数ペア:

[(1, 19393209), (3, 6464403), (9, 2154801), (11, 1763019), (17, 1140777), (23, 843183), (27, 718267), (33, 587673), (51, 380259), (69, 281061), (99, 195891), (153, 126753), (167, 116127), (187, 103707), (207, 93687), (253, 76653), (297, 65297), (391, 49599), (459, 42251), (501, 38709), (561, 34569), (621, 31229), (759, 25551), (1173, 16533), (1503, 12903), (1683, 11523), (1837, 10557), (2277, 8517), (2839, 6831), (3519, 5511), (3841, 5049), (4301, 4509)]