19890776

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{52901}}^1$

素因数の和:52954

約数の個数: 16

約数和(自身を含む): 38089440

約数和(自身を除く): 18198664

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 52901, 105802, 211604, 423208, 2486347, 4972694, 9945388, 19890776]

約数ペア:

[(1, 19890776), (2, 9945388), (4, 4972694), (8, 2486347), (47, 423208), (94, 211604), (188, 105802), (376, 52901)]