19711075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 27252720

約数和(自身を除く): 7541645

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2441, 8075, 12205, 41497, 46379, 61025, 207485, 231895, 788443, 1037425, 1159475, 3942215, 19711075]

約数ペア:

[(1, 19711075), (5, 3942215), (17, 1159475), (19, 1037425), (25, 788443), (85, 231895), (95, 207485), (323, 61025), (425, 46379), (475, 41497), (1615, 12205), (2441, 8075)]