15980176

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{23227}}^1$

素因数の和:23278

約数の個数: 20

約数和(自身を含む): 31682992

約数和(自身を除く): 15702816

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 23227, 46454, 92908, 185816, 371632, 998761, 1997522, 3995044, 7990088, 15980176]

約数ペア:

[(1, 15980176), (2, 7990088), (4, 3995044), (8, 1997522), (16, 998761), (43, 371632), (86, 185816), (172, 92908), (344, 46454), (688, 23227)]