18612865

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 24208128

約数和(自身を除く): 5595263

約数列:

[1, 5, 23, 31, 115, 155, 227, 529, 713, 1135, 2645, 3565, 5221, 7037, 16399, 26105, 35185, 81995, 120083, 161851, 600415, 809255, 3722573, 18612865]

約数ペア:

[(1, 18612865), (5, 3722573), (23, 809255), (31, 600415), (115, 161851), (155, 120083), (227, 81995), (529, 35185), (713, 26105), (1135, 16399), (2645, 7037), (3565, 5221)]