12928688

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{21839}}^1$

素因数の和:21884

約数の個数: 20

約数和(自身を含む): 25727520

約数和(自身を除く): 12798832

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 21839, 43678, 87356, 174712, 349424, 808043, 1616086, 3232172, 6464344, 12928688]

約数ペア:

[(1, 12928688), (2, 6464344), (4, 3232172), (8, 1616086), (16, 808043), (37, 349424), (74, 174712), (148, 87356), (296, 43678), (592, 21839)]