19144545

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{61}}^2$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 36316800

約数和(自身を除く): 17172255

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 343, 427, 735, 915, 1029, 1281, 1715, 2135, 2989, 3721, 5145, 6405, 8967, 11163, 14945, 18605, 20923, 26047, 44835, 55815, 62769, 78141, 104615, 130235, 182329, 313845, 390705, 546987, 911645, 1276303, 2734935, 3828909, 6381515, 19144545]

約数ペア:

[(1, 19144545), (3, 6381515), (5, 3828909), (7, 2734935), (15, 1276303), (21, 911645), (35, 546987), (49, 390705), (61, 313845), (105, 182329), (147, 130235), (183, 104615), (245, 78141), (305, 62769), (343, 55815), (427, 44835), (735, 26047), (915, 20923), (1029, 18605), (1281, 14945), (1715, 11163), (2135, 8967), (2989, 6405), (3721, 5145)]