19648908

素因数分解:

$2^2\times 3^2\times {\mathrm{673}}^1\times {\mathrm{811}}^1$

素因数の和:1494

約数の個数: 36

約数和(自身を含む): 49803208

約数和(自身を除く): 30154300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 673, 811, 1346, 1622, 2019, 2433, 2692, 3244, 4038, 4866, 6057, 7299, 8076, 9732, 12114, 14598, 24228, 29196, 545803, 1091606, 1637409, 2183212, 3274818, 4912227, 6549636, 9824454, 19648908]

約数ペア:

[(1, 19648908), (2, 9824454), (3, 6549636), (4, 4912227), (6, 3274818), (9, 2183212), (12, 1637409), (18, 1091606), (36, 545803), (673, 29196), (811, 24228), (1346, 14598), (1622, 12114), (2019, 9732), (2433, 8076), (2692, 7299), (3244, 6057), (4038, 4866)]