19195960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30570440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 383, 716, 766, 895, 1253, 1432, 1532, 1790, 1915, 2506, 2681, 3064, 3580, 3830, 5012, 5362, 6265, 7160, 7660, 10024, 10724, 12530, 13405, 15320, 21448, 25060, 26810, 50120, 53620, 68557, 107240, 137114, 274228, 342785, 479899, 548456, 685570, 959798, 1371140, 1919596, 2399495, 2742280, 3839192, 4798990, 9597980, 19195960]

約数ペア:

[(1, 19195960), (2, 9597980), (4, 4798990), (5, 3839192), (7, 2742280), (8, 2399495), (10, 1919596), (14, 1371140), (20, 959798), (28, 685570), (35, 548456), (40, 479899), (56, 342785), (70, 274228), (140, 137114), (179, 107240), (280, 68557), (358, 53620), (383, 50120), (716, 26810), (766, 25060), (895, 21448), (1253, 15320), (1432, 13405), (1532, 12530), (1790, 10724), (1915, 10024), (2506, 7660), (2681, 7160), (3064, 6265), (3580, 5362), (3830, 5012)]