18538236

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1229}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 47010600

約数和(自身を除く): 28472364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1229, 1257, 1676, 2458, 2514, 3687, 3771, 4916, 5028, 7374, 7542, 11061, 14748, 15084, 22122, 44244, 514951, 1029902, 1544853, 2059804, 3089706, 4634559, 6179412, 9269118, 18538236]

約数ペア:

[(1, 18538236), (2, 9269118), (3, 6179412), (4, 4634559), (6, 3089706), (9, 2059804), (12, 1544853), (18, 1029902), (36, 514951), (419, 44244), (838, 22122), (1229, 15084), (1257, 14748), (1676, 11061), (2458, 7542), (2514, 7374), (3687, 5028), (3771, 4916)]