19097240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15401}}^1$

素因数の和:15443

約数の個数: 32

約数和(自身を含む): 44357760

約数和(自身を除く): 25260520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15401, 30802, 61604, 77005, 123208, 154010, 308020, 477431, 616040, 954862, 1909724, 2387155, 3819448, 4774310, 9548620, 19097240]

約数ペア:

[(1, 19097240), (2, 9548620), (4, 4774310), (5, 3819448), (8, 2387155), (10, 1909724), (20, 954862), (31, 616040), (40, 477431), (62, 308020), (124, 154010), (155, 123208), (248, 77005), (310, 61604), (620, 30802), (1240, 15401)]