18505586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 31492800

約数和(自身を除く): 12987214

約数列:

[1, 2, 11, 22, 53, 59, 106, 118, 269, 538, 583, 649, 1166, 1298, 2959, 3127, 5918, 6254, 14257, 15871, 28514, 31742, 34397, 68794, 156827, 174581, 313654, 349162, 841163, 1682326, 9252793, 18505586]

約数ペア:

[(1, 18505586), (2, 9252793), (11, 1682326), (22, 841163), (53, 349162), (59, 313654), (106, 174581), (118, 156827), (269, 68794), (538, 34397), (583, 31742), (649, 28514), (1166, 15871), (1298, 14257), (2959, 6254), (3127, 5918)]