19961326

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18517}}^1$

素因数の和:18544

約数の個数: 24

約数和(自身を含む): 37998936

約数和(自身を除く): 18037610

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18517, 37034, 129619, 203687, 259238, 407374, 907333, 1425809, 1814666, 2851618, 9980663, 19961326]

約数ペア:

[(1, 19961326), (2, 9980663), (7, 2851618), (11, 1814666), (14, 1425809), (22, 907333), (49, 407374), (77, 259238), (98, 203687), (154, 129619), (539, 37034), (1078, 18517)]