19555448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 20620552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 619, 718, 1238, 1436, 2476, 2872, 3949, 4952, 6809, 7898, 13618, 15796, 27236, 31592, 54472, 222221, 444442, 888884, 1777768, 2444431, 4888862, 9777724, 19555448]

約数ペア:

[(1, 19555448), (2, 9777724), (4, 4888862), (8, 2444431), (11, 1777768), (22, 888884), (44, 444442), (88, 222221), (359, 54472), (619, 31592), (718, 27236), (1238, 15796), (1436, 13618), (2476, 7898), (2872, 6809), (3949, 4952)]