19992073108

素因数分解:

$2^2\times 7^2\times {\mathrm{102000373}}^1$

素因数の和:102000391

約数の個数: 18

約数和(自身を含む): 40698149226

約数和(自身を除く): 20706076118

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102000373, 204000746, 408001492, 714002611, 1428005222, 2856010444, 4998018277, 9996036554, 19992073108]

約数ペア:

[(1, 19992073108), (2, 9996036554), (4, 4998018277), (7, 2856010444), (14, 1428005222), (28, 714002611), (49, 408001492), (98, 204000746), (196, 102000373)]