18188212

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 37576224

約数和(自身を除く): 19388012

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1307, 1988, 2614, 3479, 5228, 6958, 9149, 13916, 18298, 36596, 64043, 92797, 128086, 185594, 256172, 371188, 649579, 1299158, 2598316, 4547053, 9094106, 18188212]

約数ペア:

[(1, 18188212), (2, 9094106), (4, 4547053), (7, 2598316), (14, 1299158), (28, 649579), (49, 371188), (71, 256172), (98, 185594), (142, 128086), (196, 92797), (284, 64043), (497, 36596), (994, 18298), (1307, 13916), (1988, 9149), (2614, 6958), (3479, 5228)]