19004144

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16729}}^1$

素因数の和:16808

約数の個数: 20

約数和(自身を含む): 37341360

約数和(自身を除く): 18337216

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16729, 33458, 66916, 133832, 267664, 1187759, 2375518, 4751036, 9502072, 19004144]

約数ペア:

[(1, 19004144), (2, 9502072), (4, 4751036), (8, 2375518), (16, 1187759), (71, 267664), (142, 133832), (284, 66916), (568, 33458), (1136, 16729)]