19109458

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9661}}^1$

素因数の和:9729

約数の個数: 16

約数和(自身を含む): 30609216

約数和(自身を除く): 11499758

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9661, 19322, 222203, 415423, 444406, 830846, 9554729, 19109458]

約数ペア:

[(1, 19109458), (2, 9554729), (23, 830846), (43, 444406), (46, 415423), (86, 222203), (989, 19322), (1978, 9661)]