18412075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 26998272

約数和(自身を除く): 8586197

約数列:

[1, 5, 11, 23, 25, 41, 55, 71, 115, 205, 253, 275, 355, 451, 575, 781, 943, 1025, 1265, 1633, 1775, 2255, 2911, 3905, 4715, 6325, 8165, 10373, 11275, 14555, 17963, 19525, 23575, 32021, 40825, 51865, 66953, 72775, 89815, 160105, 259325, 334765, 449075, 736483, 800525, 1673825, 3682415, 18412075]

約数ペア:

[(1, 18412075), (5, 3682415), (11, 1673825), (23, 800525), (25, 736483), (41, 449075), (55, 334765), (71, 259325), (115, 160105), (205, 89815), (253, 72775), (275, 66953), (355, 51865), (451, 40825), (575, 32021), (781, 23575), (943, 19525), (1025, 17963), (1265, 14555), (1633, 11275), (1775, 10373), (2255, 8165), (2911, 6325), (3905, 4715)]