18817888

素因数分解:

$2^5\times {\mathrm{67}}^2\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 36

約数和(自身を含む): 37896012

約数和(自身を除く): 19078124

約数列:

[1, 2, 4, 8, 16, 32, 67, 131, 134, 262, 268, 524, 536, 1048, 1072, 2096, 2144, 4192, 4489, 8777, 8978, 17554, 17956, 35108, 35912, 70216, 71824, 140432, 143648, 280864, 588059, 1176118, 2352236, 4704472, 9408944, 18817888]

約数ペア:

[(1, 18817888), (2, 9408944), (4, 4704472), (8, 2352236), (16, 1176118), (32, 588059), (67, 280864), (131, 143648), (134, 140432), (262, 71824), (268, 70216), (524, 35912), (536, 35108), (1048, 17956), (1072, 17554), (2096, 8978), (2144, 8777), (4192, 4489)]