19614218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20389}}^1$

素因数の和:20441

約数の個数: 16

約数和(自身を含む): 32542440

約数和(自身を除く): 12928222

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20389, 40778, 265057, 530114, 754393, 1508786, 9807109, 19614218]

約数ペア:

[(1, 19614218), (2, 9807109), (13, 1508786), (26, 754393), (37, 530114), (74, 265057), (481, 40778), (962, 20389)]