19153460

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4007}}^1$

素因数の和:4255

約数の個数: 24

約数和(自身を含む): 40400640

約数和(自身を除く): 21247180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4007, 4780, 8014, 16028, 20035, 40070, 80140, 957673, 1915346, 3830692, 4788365, 9576730, 19153460]

約数ペア:

[(1, 19153460), (2, 9576730), (4, 4788365), (5, 3830692), (10, 1915346), (20, 957673), (239, 80140), (478, 40070), (956, 20035), (1195, 16028), (2390, 8014), (4007, 4780)]