18494748

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2266

約数の個数: 36

約数和(自身を含む): 46956000

約数和(自身を除く): 28461252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 1999, 2313, 3084, 3998, 4626, 5997, 7996, 9252, 11994, 17991, 23988, 35982, 71964, 513743, 1027486, 1541229, 2054972, 3082458, 4623687, 6164916, 9247374, 18494748]

約数ペア:

[(1, 18494748), (2, 9247374), (3, 6164916), (4, 4623687), (6, 3082458), (9, 2054972), (12, 1541229), (18, 1027486), (36, 513743), (257, 71964), (514, 35982), (771, 23988), (1028, 17991), (1542, 11994), (1999, 9252), (2313, 7996), (3084, 5997), (3998, 4626)]