18857804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35447}}^1$

素因数の和:35477

約数の個数: 24

約数和(自身を含む): 39701760

約数和(自身を除く): 20843956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 35447, 70894, 141788, 248129, 496258, 673493, 992516, 1346986, 2693972, 4714451, 9428902, 18857804]

約数ペア:

[(1, 18857804), (2, 9428902), (4, 4714451), (7, 2693972), (14, 1346986), (19, 992516), (28, 673493), (38, 496258), (76, 248129), (133, 141788), (266, 70894), (532, 35447)]