19788464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53773}}^1$

素因数の和:53804

約数の個数: 20

約数和(自身を含む): 40007856

約数和(自身を除く): 20219392

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53773, 107546, 215092, 430184, 860368, 1236779, 2473558, 4947116, 9894232, 19788464]

約数ペア:

[(1, 19788464), (2, 9894232), (4, 4947116), (8, 2473558), (16, 1236779), (23, 860368), (46, 430184), (92, 215092), (184, 107546), (368, 53773)]