19507928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7151}}^1$

素因数の和:7199

約数の個数: 32

約数和(自身を含む): 41195520

約数和(自身を除く): 21687592

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7151, 14302, 28604, 57208, 78661, 157322, 221681, 314644, 443362, 629288, 886724, 1773448, 2438491, 4876982, 9753964, 19507928]

約数ペア:

[(1, 19507928), (2, 9753964), (4, 4876982), (8, 2438491), (11, 1773448), (22, 886724), (31, 629288), (44, 443362), (62, 314644), (88, 221681), (124, 157322), (248, 78661), (341, 57208), (682, 28604), (1364, 14302), (2728, 7151)]