19153960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 50037120

約数和(自身を除く): 30883160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1021, 1340, 1876, 2042, 2345, 2680, 3752, 4084, 4690, 5105, 7147, 8168, 9380, 10210, 14294, 18760, 20420, 28588, 35735, 40840, 57176, 68407, 71470, 136814, 142940, 273628, 285880, 342035, 478849, 547256, 684070, 957698, 1368140, 1915396, 2394245, 2736280, 3830792, 4788490, 9576980, 19153960]

約数ペア:

[(1, 19153960), (2, 9576980), (4, 4788490), (5, 3830792), (7, 2736280), (8, 2394245), (10, 1915396), (14, 1368140), (20, 957698), (28, 684070), (35, 547256), (40, 478849), (56, 342035), (67, 285880), (70, 273628), (134, 142940), (140, 136814), (268, 71470), (280, 68407), (335, 57176), (469, 40840), (536, 35735), (670, 28588), (938, 20420), (1021, 18760), (1340, 14294), (1876, 10210), (2042, 9380), (2345, 8168), (2680, 7147), (3752, 5105), (4084, 4690)]