19438475

素因数分解:

$5^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 27715488

約数和(自身を除く): 8277013

約数列:

[1, 5, 7, 25, 35, 175, 277, 401, 1385, 1939, 2005, 2807, 6925, 9695, 10025, 14035, 48475, 70175, 111077, 555385, 777539, 2776925, 3887695, 19438475]

約数ペア:

[(1, 19438475), (5, 3887695), (7, 2776925), (25, 777539), (35, 555385), (175, 111077), (277, 70175), (401, 48475), (1385, 14035), (1939, 10025), (2005, 9695), (2807, 6925)]