18587280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77447}}^1$

素因数の和:77463

約数の個数: 40

約数和(自身を含む): 57621312

約数和(自身を除く): 39034032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77447, 154894, 232341, 309788, 387235, 464682, 619576, 774470, 929364, 1161705, 1239152, 1548940, 1858728, 2323410, 3097880, 3717456, 4646820, 6195760, 9293640, 18587280]

約数ペア:

[(1, 18587280), (2, 9293640), (3, 6195760), (4, 4646820), (5, 3717456), (6, 3097880), (8, 2323410), (10, 1858728), (12, 1548940), (15, 1239152), (16, 1161705), (20, 929364), (24, 774470), (30, 619576), (40, 464682), (48, 387235), (60, 309788), (80, 232341), (120, 154894), (240, 77447)]