19209988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{36109}}^1$

素因数の和:36139

約数の個数: 24

約数和(自身を含む): 40443200

約数和(自身を除く): 21233212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 36109, 72218, 144436, 252763, 505526, 686071, 1011052, 1372142, 2744284, 4802497, 9604994, 19209988]

約数ペア:

[(1, 19209988), (2, 9604994), (4, 4802497), (7, 2744284), (14, 1372142), (19, 1011052), (28, 686071), (38, 505526), (76, 252763), (133, 144436), (266, 72218), (532, 36109)]