19011479139

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{257}}^1\times {\mathrm{5279}}^1$

素因数の和:5721

約数の個数: 40

約数和(自身を含む): 28680600960

約数和(自身を除く): 9669121821

約数列:

[1, 3, 9, 27, 81, 173, 257, 519, 771, 1557, 2313, 4671, 5279, 6939, 14013, 15837, 20817, 44461, 47511, 133383, 142533, 400149, 427599, 913267, 1200447, 1356703, 2739801, 3601341, 4070109, 8219403, 12210327, 24658209, 36630981, 73974627, 109892943, 234709619, 704128857, 2112386571, 6337159713, 19011479139]

約数ペア:

[(1, 19011479139), (3, 6337159713), (9, 2112386571), (27, 704128857), (81, 234709619), (173, 109892943), (257, 73974627), (519, 36630981), (771, 24658209), (1557, 12210327), (2313, 8219403), (4671, 4070109), (5279, 3601341), (6939, 2739801), (14013, 1356703), (15837, 1200447), (20817, 913267), (44461, 427599), (47511, 400149), (133383, 142533)]