19912323344

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3525553}}^1$

素因数の和:3525914

約数の個数: 20

約数和(自身を含む): 38689429596

約数和(自身を除く): 18777106252

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 3525553, 7051106, 14102212, 28204424, 56408848, 1244520209, 2489040418, 4978080836, 9956161672, 19912323344]

約数ペア:

[(1, 19912323344), (2, 9956161672), (4, 4978080836), (8, 2489040418), (16, 1244520209), (353, 56408848), (706, 28204424), (1412, 14102212), (2824, 7051106), (5648, 3525553)]