19651568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53401}}^1$

素因数の和:53432

約数の個数: 20

約数和(自身を含む): 39731088

約数和(自身を除く): 20079520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53401, 106802, 213604, 427208, 854416, 1228223, 2456446, 4912892, 9825784, 19651568]

約数ペア:

[(1, 19651568), (2, 9825784), (4, 4912892), (8, 2456446), (16, 1228223), (23, 854416), (46, 427208), (92, 213604), (184, 106802), (368, 53401)]