19788118

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38201}}^1$

素因数の和:38247

約数の個数: 16

約数和(自身を含む): 34840224

約数和(自身を除く): 15052106

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38201, 76402, 267407, 534814, 1413437, 2826874, 9894059, 19788118]

約数ペア:

[(1, 19788118), (2, 9894059), (7, 2826874), (14, 1413437), (37, 534814), (74, 267407), (259, 76402), (518, 38201)]