19840845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 14373555

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1619, 2451, 4085, 4857, 8095, 12255, 24285, 30761, 69617, 92283, 153805, 208851, 348085, 461415, 1044255, 1322723, 3968169, 6613615, 19840845]

約数ペア:

[(1, 19840845), (3, 6613615), (5, 3968169), (15, 1322723), (19, 1044255), (43, 461415), (57, 348085), (95, 208851), (129, 153805), (215, 92283), (285, 69617), (645, 30761), (817, 24285), (1619, 12255), (2451, 8095), (4085, 4857)]