19531216

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1123}}^1$

素因数の和:2218

約数の個数: 20

約数和(自身を含む): 37910272

約数和(自身を除く): 18379056

約数列:

[1, 2, 4, 8, 16, 1087, 1123, 2174, 2246, 4348, 4492, 8696, 8984, 17392, 17968, 1220701, 2441402, 4882804, 9765608, 19531216]

約数ペア:

[(1, 19531216), (2, 9765608), (4, 4882804), (8, 2441402), (16, 1220701), (1087, 17968), (1123, 17392), (2174, 8984), (2246, 8696), (4348, 4492)]