28911578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20563}}^1$

素因数の和:20621

約数の個数: 16

約数和(自身を含む): 46885920

約数和(自身を除く): 17974342

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 20563, 41126, 390697, 760831, 781394, 1521662, 14455789, 28911578]

約数ペア:

[(1, 28911578), (2, 14455789), (19, 1521662), (37, 781394), (38, 760831), (74, 390697), (703, 41126), (1406, 20563)]