18220675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1123}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 25087680

約数和(自身を除く): 6867005

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1123, 1475, 3245, 5615, 12353, 16225, 28075, 61765, 66257, 308825, 331285, 728827, 1656425, 3644135, 18220675]

約数ペア:

[(1, 18220675), (5, 3644135), (11, 1656425), (25, 728827), (55, 331285), (59, 308825), (275, 66257), (295, 61765), (649, 28075), (1123, 16225), (1475, 12353), (3245, 5615)]