19800176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112501}}^1$

素因数の和:112520

約数の個数: 20

約数和(自身を含む): 41850744

約数和(自身を除く): 22050568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112501, 225002, 450004, 900008, 1237511, 1800016, 2475022, 4950044, 9900088, 19800176]

約数ペア:

[(1, 19800176), (2, 9900088), (4, 4950044), (8, 2475022), (11, 1800016), (16, 1237511), (22, 900008), (44, 450004), (88, 225002), (176, 112501)]