19991567202

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{297467}}^1$

素因数の和:297982

約数の個数: 32

約数和(自身を含む): 41807342592

約数和(自身を除く): 21815775390

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 487, 974, 1461, 2922, 11201, 22402, 33603, 67206, 297467, 594934, 892401, 1784802, 6841741, 13683482, 20525223, 41050446, 144866429, 289732858, 434599287, 869198574, 3331927867, 6663855734, 9995783601, 19991567202]

約数ペア:

[(1, 19991567202), (2, 9995783601), (3, 6663855734), (6, 3331927867), (23, 869198574), (46, 434599287), (69, 289732858), (138, 144866429), (487, 41050446), (974, 20525223), (1461, 13683482), (2922, 6841741), (11201, 1784802), (22402, 892401), (33603, 594934), (67206, 297467)]