18967325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3433}}^1$

素因数の和:3473

約数の個数: 24

約数和(自身を含む): 26826408

約数和(自身を除く): 7859083

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3433, 5525, 17165, 44629, 58361, 85825, 223145, 291805, 758693, 1115725, 1459025, 3793465, 18967325]

約数ペア:

[(1, 18967325), (5, 3793465), (13, 1459025), (17, 1115725), (25, 758693), (65, 291805), (85, 223145), (221, 85825), (325, 58361), (425, 44629), (1105, 17165), (3433, 5525)]