19450730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 37984464

約数和(自身を除く): 18533734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 953, 1570, 1906, 2041, 4082, 4765, 9530, 10205, 12389, 20410, 24778, 61945, 123890, 149621, 299242, 748105, 1496210, 1945073, 3890146, 9725365, 19450730]

約数ペア:

[(1, 19450730), (2, 9725365), (5, 3890146), (10, 1945073), (13, 1496210), (26, 748105), (65, 299242), (130, 149621), (157, 123890), (314, 61945), (785, 24778), (953, 20410), (1570, 12389), (1906, 10205), (2041, 9530), (4082, 4765)]