19489372

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 22024100

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 571, 644, 742, 1142, 1219, 1484, 2284, 2438, 3997, 4876, 7994, 8533, 13133, 15988, 17066, 26266, 30263, 34132, 52532, 60526, 91931, 121052, 183862, 211841, 367724, 423682, 696049, 847364, 1392098, 2784196, 4872343, 9744686, 19489372]

約数ペア:

[(1, 19489372), (2, 9744686), (4, 4872343), (7, 2784196), (14, 1392098), (23, 847364), (28, 696049), (46, 423682), (53, 367724), (92, 211841), (106, 183862), (161, 121052), (212, 91931), (322, 60526), (371, 52532), (571, 34132), (644, 30263), (742, 26266), (1142, 17066), (1219, 15988), (1484, 13133), (2284, 8533), (2438, 7994), (3997, 4876)]