19638961904

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3537277}}^1$

素因数の和:3537632

約数の個数: 20

約数和(自身を含む): 38160155064

約数和(自身を除く): 18521193160

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 5552, 3537277, 7074554, 14149108, 28298216, 56596432, 1227435119, 2454870238, 4909740476, 9819480952, 19638961904]

約数ペア:

[(1, 19638961904), (2, 9819480952), (4, 4909740476), (8, 2454870238), (16, 1227435119), (347, 56596432), (694, 28298216), (1388, 14149108), (2776, 7074554), (5552, 3537277)]