19219888

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17929}}^1$

素因数の和:18004

約数の個数: 20

約数和(自身を含む): 37796440

約数和(自身を除く): 18576552

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17929, 35858, 71716, 143432, 286864, 1201243, 2402486, 4804972, 9609944, 19219888]

約数ペア:

[(1, 19219888), (2, 9609944), (4, 4804972), (8, 2402486), (16, 1201243), (67, 286864), (134, 143432), (268, 71716), (536, 35858), (1072, 17929)]