219842426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{22511}}^1$

素因数の和:22789

約数の個数: 16

約数和(自身を含む): 348485760

約数和(自身を除く): 128643334

約数列:

[1, 2, 19, 38, 257, 514, 4883, 9766, 22511, 45022, 427709, 855418, 5785327, 11570654, 109921213, 219842426]

約数ペア:

[(1, 219842426), (2, 109921213), (19, 11570654), (38, 5785327), (257, 855418), (514, 427709), (4883, 45022), (9766, 22511)]