19940494

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61927}}^1$

素因数の和:61959

約数の個数: 16

約数和(自身を含む): 35670528

約数和(自身を除く): 15730034

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61927, 123854, 433489, 866978, 1424321, 2848642, 9970247, 19940494]

約数ペア:

[(1, 19940494), (2, 9970247), (7, 2848642), (14, 1424321), (23, 866978), (46, 433489), (161, 123854), (322, 61927)]