19943964

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4229}}^1$

素因数の和:4370

約数の個数: 36

約数和(自身を含む): 50810760

約数和(自身を除く): 30866796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4229, 4716, 8458, 12687, 16916, 25374, 38061, 50748, 76122, 152244, 553999, 1107998, 1661997, 2215996, 3323994, 4985991, 6647988, 9971982, 19943964]

約数ペア:

[(1, 19943964), (2, 9971982), (3, 6647988), (4, 4985991), (6, 3323994), (9, 2215996), (12, 1661997), (18, 1107998), (36, 553999), (131, 152244), (262, 76122), (393, 50748), (524, 38061), (786, 25374), (1179, 16916), (1572, 12687), (2358, 8458), (4229, 4716)]