18329825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 25124880

約数和(自身を除く): 6795055

約数列:

[1, 5, 17, 25, 43, 59, 85, 215, 289, 295, 425, 731, 1003, 1075, 1445, 1475, 2537, 3655, 5015, 7225, 12427, 12685, 17051, 18275, 25075, 43129, 62135, 63425, 85255, 215645, 310675, 426275, 733193, 1078225, 3665965, 18329825]

約数ペア:

[(1, 18329825), (5, 3665965), (17, 1078225), (25, 733193), (43, 426275), (59, 310675), (85, 215645), (215, 85255), (289, 63425), (295, 62135), (425, 43129), (731, 25075), (1003, 18275), (1075, 17051), (1445, 12685), (1475, 12427), (2537, 7225), (3655, 5015)]