18288725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8069

約数の個数: 24

約数和(自身を含む): 27914880

約数和(自身を除く): 9626155

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8039, 40195, 56273, 104507, 200975, 281365, 522535, 731549, 1406825, 2612675, 3657745, 18288725]

約数ペア:

[(1, 18288725), (5, 3657745), (7, 2612675), (13, 1406825), (25, 731549), (35, 522535), (65, 281365), (91, 200975), (175, 104507), (325, 56273), (455, 40195), (2275, 8039)]