1780452

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 54

約数和(自身を含む): 4784598

約数和(自身を除く): 3004146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 342, 361, 411, 548, 684, 722, 822, 1083, 1233, 1444, 1644, 2166, 2466, 2603, 3249, 4332, 4932, 5206, 6498, 7809, 10412, 12996, 15618, 23427, 31236, 46854, 49457, 93708, 98914, 148371, 197828, 296742, 445113, 593484, 890226, 1780452]

約数ペア:

[(1, 1780452), (2, 890226), (3, 593484), (4, 445113), (6, 296742), (9, 197828), (12, 148371), (18, 98914), (19, 93708), (36, 49457), (38, 46854), (57, 31236), (76, 23427), (114, 15618), (137, 12996), (171, 10412), (228, 7809), (274, 6498), (342, 5206), (361, 4932), (411, 4332), (548, 3249), (684, 2603), (722, 2466), (822, 2166), (1083, 1644), (1233, 1444)]