19638458

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 16027462

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 859, 994, 1633, 1718, 3266, 6013, 11431, 12026, 19757, 22862, 39514, 60989, 121978, 138299, 276598, 426923, 853846, 1402747, 2805494, 9819229, 19638458]

約数ペア:

[(1, 19638458), (2, 9819229), (7, 2805494), (14, 1402747), (23, 853846), (46, 426923), (71, 276598), (142, 138299), (161, 121978), (322, 60989), (497, 39514), (859, 22862), (994, 19757), (1633, 12026), (1718, 11431), (3266, 6013)]