19790792

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2251}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 42697920

約数和(自身を除く): 22907128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2251, 4396, 4502, 8792, 9004, 15757, 18008, 31514, 63028, 126056, 353407, 706814, 1413628, 2473849, 2827256, 4947698, 9895396, 19790792]

約数ペア:

[(1, 19790792), (2, 9895396), (4, 4947698), (7, 2827256), (8, 2473849), (14, 1413628), (28, 706814), (56, 353407), (157, 126056), (314, 63028), (628, 31514), (1099, 18008), (1256, 15757), (2198, 9004), (2251, 8792), (4396, 4502)]