19768592

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53719}}^1$

素因数の和:53750

約数の個数: 20

約数和(自身を含む): 39967680

約数和(自身を除く): 20199088

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53719, 107438, 214876, 429752, 859504, 1235537, 2471074, 4942148, 9884296, 19768592]

約数ペア:

[(1, 19768592), (2, 9884296), (4, 4942148), (8, 2471074), (16, 1235537), (23, 859504), (46, 429752), (92, 214876), (184, 107438), (368, 53719)]