19042520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 50042880

約数和(自身を除く): 31000360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1447, 1645, 1880, 2632, 2894, 3290, 5788, 6580, 7235, 10129, 11576, 13160, 14470, 20258, 28940, 40516, 50645, 57880, 68009, 81032, 101290, 136018, 202580, 272036, 340045, 405160, 476063, 544072, 680090, 952126, 1360180, 1904252, 2380315, 2720360, 3808504, 4760630, 9521260, 19042520]

約数ペア:

[(1, 19042520), (2, 9521260), (4, 4760630), (5, 3808504), (7, 2720360), (8, 2380315), (10, 1904252), (14, 1360180), (20, 952126), (28, 680090), (35, 544072), (40, 476063), (47, 405160), (56, 340045), (70, 272036), (94, 202580), (140, 136018), (188, 101290), (235, 81032), (280, 68009), (329, 57880), (376, 50645), (470, 40516), (658, 28940), (940, 20258), (1316, 14470), (1447, 13160), (1645, 11576), (1880, 10129), (2632, 7235), (2894, 6580), (3290, 5788)]