18435225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 34015680

約数和(自身を除く): 15580455

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 761, 969, 1275, 1425, 1615, 2283, 3805, 4845, 8075, 11415, 12937, 14459, 19025, 24225, 38811, 43377, 57075, 64685, 72295, 194055, 216885, 245803, 323425, 361475, 737409, 970275, 1084425, 1229015, 3687045, 6145075, 18435225]

約数ペア:

[(1, 18435225), (3, 6145075), (5, 3687045), (15, 1229015), (17, 1084425), (19, 970275), (25, 737409), (51, 361475), (57, 323425), (75, 245803), (85, 216885), (95, 194055), (255, 72295), (285, 64685), (323, 57075), (425, 43377), (475, 38811), (761, 24225), (969, 19025), (1275, 14459), (1425, 12937), (1615, 11415), (2283, 8075), (3805, 4845)]