15721474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{5237}}^1$

素因数の和:5337

約数の個数: 16

約数和(自身を含む): 25142400

約数和(自身を除く): 9420926

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 5237, 10474, 99503, 199006, 413723, 827446, 7860737, 15721474]

約数ペア:

[(1, 15721474), (2, 7860737), (19, 827446), (38, 413723), (79, 199006), (158, 99503), (1501, 10474), (3002, 5237)]