19515693795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1\times {\mathrm{45061}}^1$

素因数の和:47303

約数の個数: 32

約数和(自身を含む): 33642928704

約数和(自身を除く): 14127234909

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 2221, 6663, 11105, 28873, 33315, 45061, 86619, 135183, 144365, 225305, 433095, 585793, 675915, 1757379, 2928965, 8786895, 100080481, 300241443, 500402405, 1301046253, 1501207215, 3903138759, 6505231265, 19515693795]

約数ペア:

[(1, 19515693795), (3, 6505231265), (5, 3903138759), (13, 1501207215), (15, 1301046253), (39, 500402405), (65, 300241443), (195, 100080481), (2221, 8786895), (6663, 2928965), (11105, 1757379), (28873, 675915), (33315, 585793), (45061, 433095), (86619, 225305), (135183, 144365)]