19948278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{474959}}^1$

素因数の和:474971

約数の個数: 16

約数和(自身を含む): 45596160

約数和(自身を除く): 25647882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 474959, 949918, 1424877, 2849754, 3324713, 6649426, 9974139, 19948278]

約数ペア:

[(1, 19948278), (2, 9974139), (3, 6649426), (6, 3324713), (7, 2849754), (14, 1424877), (21, 949918), (42, 474959)]