19463888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 39693888

約数和(自身を除く): 20230000

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 227, 233, 368, 454, 466, 908, 932, 1816, 1864, 3632, 3728, 5221, 5359, 10442, 10718, 20884, 21436, 41768, 42872, 52891, 83536, 85744, 105782, 211564, 423128, 846256, 1216493, 2432986, 4865972, 9731944, 19463888]

約数ペア:

[(1, 19463888), (2, 9731944), (4, 4865972), (8, 2432986), (16, 1216493), (23, 846256), (46, 423128), (92, 211564), (184, 105782), (227, 85744), (233, 83536), (368, 52891), (454, 42872), (466, 41768), (908, 21436), (932, 20884), (1816, 10718), (1864, 10442), (3632, 5359), (3728, 5221)]