19856278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16249}}^1$

素因数の和:16311

約数の個数: 16

約数和(自身を含む): 32760000

約数和(自身を除く): 12903722

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 16249, 32498, 211237, 422474, 763703, 1527406, 9928139, 19856278]

約数ペア:

[(1, 19856278), (2, 9928139), (13, 1527406), (26, 763703), (47, 422474), (94, 211237), (611, 32498), (1222, 16249)]