18180694

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 32495616

約数和(自身を除く): 14314922

約数列:

[1, 2, 7, 14, 31, 62, 163, 217, 257, 326, 434, 514, 1141, 1799, 2282, 3598, 5053, 7967, 10106, 15934, 35371, 41891, 55769, 70742, 83782, 111538, 293237, 586474, 1298621, 2597242, 9090347, 18180694]

約数ペア:

[(1, 18180694), (2, 9090347), (7, 2597242), (14, 1298621), (31, 586474), (62, 293237), (163, 111538), (217, 83782), (257, 70742), (326, 55769), (434, 41891), (514, 35371), (1141, 15934), (1799, 10106), (2282, 7967), (3598, 5053)]