19451320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 50503680

約数和(自身を除く): 31052360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 547, 635, 889, 1016, 1094, 1270, 1778, 2188, 2540, 2735, 3556, 3829, 4376, 4445, 5080, 5470, 7112, 7658, 8890, 10940, 15316, 17780, 19145, 21880, 30632, 35560, 38290, 69469, 76580, 138938, 153160, 277876, 347345, 486283, 555752, 694690, 972566, 1389380, 1945132, 2431415, 2778760, 3890264, 4862830, 9725660, 19451320]

約数ペア:

[(1, 19451320), (2, 9725660), (4, 4862830), (5, 3890264), (7, 2778760), (8, 2431415), (10, 1945132), (14, 1389380), (20, 972566), (28, 694690), (35, 555752), (40, 486283), (56, 347345), (70, 277876), (127, 153160), (140, 138938), (254, 76580), (280, 69469), (508, 38290), (547, 35560), (635, 30632), (889, 21880), (1016, 19145), (1094, 17780), (1270, 15316), (1778, 10940), (2188, 8890), (2540, 7658), (2735, 7112), (3556, 5470), (3829, 5080), (4376, 4445)]