19005138

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{4957}}^1$

素因数の和:5039

約数の個数: 32

約数和(自身を含む): 42837120

約数和(自身を除く): 23831982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 4957, 9914, 14871, 29742, 44613, 89226, 133839, 267678, 351947, 703894, 1055841, 2111682, 3167523, 6335046, 9502569, 19005138]

約数ペア:

[(1, 19005138), (2, 9502569), (3, 6335046), (6, 3167523), (9, 2111682), (18, 1055841), (27, 703894), (54, 351947), (71, 267678), (142, 133839), (213, 89226), (426, 44613), (639, 29742), (1278, 14871), (1917, 9914), (3834, 4957)]