19744994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1237}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 31019328

約数和(自身を除く): 11274334

約数列:

[1, 2, 23, 46, 347, 694, 1237, 2474, 7981, 15962, 28451, 56902, 429239, 858478, 9872497, 19744994]

約数ペア:

[(1, 19744994), (2, 9872497), (23, 858478), (46, 429239), (347, 56902), (694, 28451), (1237, 15962), (2474, 7981)]