19453756

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13109}}^1$

素因数の和:13173

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 20190884

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13109, 26218, 52436, 91763, 183526, 367052, 694777, 1389554, 2779108, 4863439, 9726878, 19453756]

約数ペア:

[(1, 19453756), (2, 9726878), (4, 4863439), (7, 2779108), (14, 1389554), (28, 694777), (53, 367052), (106, 183526), (212, 91763), (371, 52436), (742, 26218), (1484, 13109)]