19971536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96017}}^1$

素因数の和:96038

約数の個数: 20

約数和(自身を含む): 41671812

約数和(自身を除く): 21700276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96017, 192034, 384068, 768136, 1248221, 1536272, 2496442, 4992884, 9985768, 19971536]

約数ペア:

[(1, 19971536), (2, 9985768), (4, 4992884), (8, 2496442), (13, 1536272), (16, 1248221), (26, 768136), (52, 384068), (104, 192034), (208, 96017)]