19800604802

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{81820681}}^1$

素因数の和:81820705

約数の個数: 12

約数和(自身を含む): 32646452118

約数和(自身を除く): 12845847316

約数列:

[1, 2, 11, 22, 121, 242, 81820681, 163641362, 900027491, 1800054982, 9900302401, 19800604802]

約数ペア:

[(1, 19800604802), (2, 9900302401), (11, 1800054982), (22, 900027491), (121, 163641362), (242, 81820681)]