18419075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 25467120

約数和(自身を除く): 7048045

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2281, 8075, 11405, 38777, 43339, 57025, 193885, 216695, 736763, 969425, 1083475, 3683815, 18419075]

約数ペア:

[(1, 18419075), (5, 3683815), (17, 1083475), (19, 969425), (25, 736763), (85, 216695), (95, 193885), (323, 57025), (425, 43339), (475, 38777), (1615, 11405), (2281, 8075)]