19723696

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53597}}^1$

素因数の和:53628

約数の個数: 20

約数和(自身を含む): 39876912

約数和(自身を除く): 20153216

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53597, 107194, 214388, 428776, 857552, 1232731, 2465462, 4930924, 9861848, 19723696]

約数ペア:

[(1, 19723696), (2, 9861848), (4, 4930924), (8, 2465462), (16, 1232731), (23, 857552), (46, 428776), (92, 214388), (184, 107194), (368, 53597)]