19523344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71777}}^1$

素因数の和:71802

約数の個数: 20

約数和(自身を含む): 40052124

約数和(自身を除く): 20528780

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71777, 143554, 287108, 574216, 1148432, 1220209, 2440418, 4880836, 9761672, 19523344]

約数ペア:

[(1, 19523344), (2, 9761672), (4, 4880836), (8, 2440418), (16, 1220209), (17, 1148432), (34, 574216), (68, 287108), (136, 143554), (272, 71777)]