18729406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8663}}^1$

素因数の和:8735

約数の個数: 16

約数和(自身を含む): 29942784

約数和(自身を除く): 11213378

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 8663, 17326, 199249, 398498, 407161, 814322, 9364703, 18729406]

約数ペア:

[(1, 18729406), (2, 9364703), (23, 814322), (46, 407161), (47, 398498), (94, 199249), (1081, 17326), (2162, 8663)]