2001878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 16

約数和(自身を含む): 3192000

約数和(自身を除く): 1190122

約数列:

[1, 2, 19, 38, 139, 278, 379, 758, 2641, 5282, 7201, 14402, 52681, 105362, 1000939, 2001878]

約数ペア:

[(1, 2001878), (2, 1000939), (19, 105362), (38, 52681), (139, 14402), (278, 7201), (379, 5282), (758, 2641)]