19988128

素因数分解:

$2^5\times {\mathrm{709}}^1\times {\mathrm{881}}^1$

素因数の和:1600

約数の個数: 24

約数和(自身を含む): 39451860

約数和(自身を除く): 19463732

約数列:

[1, 2, 4, 8, 16, 32, 709, 881, 1418, 1762, 2836, 3524, 5672, 7048, 11344, 14096, 22688, 28192, 624629, 1249258, 2498516, 4997032, 9994064, 19988128]

約数ペア:

[(1, 19988128), (2, 9994064), (4, 4997032), (8, 2498516), (16, 1249258), (32, 624629), (709, 28192), (881, 22688), (1418, 14096), (1762, 11344), (2836, 7048), (3524, 5672)]