18847886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5573}}^1$

素因数の和:5683

約数の個数: 16

約数和(自身を含む): 30099600

約数和(自身を除く): 11251714

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5573, 11146, 105887, 211774, 495997, 991994, 9423943, 18847886]

約数ペア:

[(1, 18847886), (2, 9423943), (19, 991994), (38, 495997), (89, 211774), (178, 105887), (1691, 11146), (3382, 5573)]